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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Ordering Information 2Customer List 3Fabrication Services & Products 4Ultra Lightweight Racing Mufflers 5-7Plenums & Air Filters (ITG) 8-12Aeroduct 12Aerospace Hardware & Fasteners Overview 13Bolts Overview 14-15AN3 - AN10 Series Specifications: Hex Head; AN Bolt 16-17NAS1103 Series Specifications: Hex Head; Short Therad 18-19NAS1303 Series Specifications: Hex Head; Long Thread 20-21MS21250 Series Specifications: 12 Point 22-23 MS20004 Series Specifications: Internal Wrenching 24-25 NAS6303 Series Specifications: Hex Head; A286 Stainless 26-27 NAS1102 Series Specifications: Torq-Set Screw 28 Aerospace Bolt Interchange 29 Torque & Fastener Matching Information 30-31 Nut Index 32 AN364/AN365 Series Specifications 33 AN316 Series Specifications 34 MS21042/NAS1294 Series Specifications 35 Metric Jetnuts (PH135) Series Specifications 36 12 Point Nuts Series Specs: NAS1804/H93 & BACN10HR/H20 37 KFN542 Attached Washer Nuts 38 Nutplate Specifications: MS21047 - MS21075 39-43 Washers: AN960, AN970, MS20002, Tinnerman 44-45 Airframe Control & Aerospace Spherical Bearings 46-47 Camlocs 48-52 Livelock Panel Fasteners 53-57 Threaded Inserts (Keenserts) Inch & Metric 58-62 Tyraps 63 Hardware Kits 64 Heat Reflective Tape 65 AeroCatch & AeroCatch2 66AeroCatch3 67 Rockwell Hardness & External Thread Dimensions Table 68 Fractional, Decimal, & Metric Equivalency Table 69 Other useful information 70 Order Form 71Notes 72
Table of Contents
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
2 Ordering Information
Hours of Operation Monday through Friday, 8 am to 5 pm Will Call orders may be picked up between 8:30 am and 3:30 pm. Payment Unless credit has been approved ahead of time, payment must be made by Mastercard, Visa, American Express, Discover, UPS COD, FedEx COD, or prepayment. You may contact us for open account information. Shipping Shipping mode is specified at time of sale. In-stock items ordered before 12 pm are shipped same day via FedEx or UPS. Special shipping needs may be accommodated upon request. Pricing All prices are subject to change without notice. Current price is quoted at time of sale. Dealers We have programs available for both small and large dealers & distributors who wish to carry our product lines. Details and requirements are available upon request. Special Orders In addition to the large working inventory of current usage and universally popular aerospace fasteners that we stock, we are also subscribers to online aerospace & aircraft part number databases. This provides us with the capability to quickly locate and supply hard-to-find, unusual, and non-standard items. Typical response time is less than 24 hours. Return Policy If you are not 100% satisfied with your purchase for any reason, you may return it in unused & undamaged condition for full credit, refund, or exchange. All returns require an authorization number. Special order and custom-fabricated parts may not be returnable or may be subject to a restocking charge. All requests for returns must be made within 30 days of original purchase date. Freight Damage PolicyIn the event of transit loss or damage, please notify the carrier immediately. Contact us subsequently and we will assist you in processing whatever claims are necessary in replacing the lost or damaged items. Quality Policy Coast Fabrication, Inc. sells only new items purchased to applicable aerospace specifications from major aircraft manufacturers and distributors. We insist on the highest quality parts. Manufacturer certifications and/or test reports can be requested with your quotation. Extra charges may apply. WarrantyAll items are warrantied to be free from defects in material and workmanship and to conform to applicable standards. Since Coast Fabrication, Inc. has no control over how items are specified, installed, used, or maintained, the warranties of merchantability and fitness are hereby expressly excluded.
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Our CustomersThe best advertisement for our products and services is a
listing of a some of the companies and people who continue to rely on them... A.J. Foyt Enterprises All American RacersAPC Aerospecialty Aurora Flight SciencesBilly Hamill & Joker Machine Bryan Miller/Eastern Raceparts BOE Fabrication Burns Stainless Camburg EngineeringCarl Haas Automobile ImportsChampion MotorsportChip Ganassi Racing Teams Clarendon Engineering Supplies Comprent MotorsportsCPR FabCrowder’s, LLC Dallara Automobili Dempsey Racing/HypersportDisc Brakes Australia/DBA Dome Co. Ltd. Doran Enterprises Earl’s Indy Ed Pink Racing Engines Elan Motorsports TechnologiesEmco GearsEndurance Wind Power Essex Parts ServicesEsslinger EngineeringGodiva BearingsGreg Hancock
Honda Performance Development Ichikawa ShoutenIlmor EngineeringJHP USA Joe Gibbs RacingK-Hill MotorsportsKirkham Motorsports Level 5 MotorsportsLotus Mercedes GP LTDMcLaren Racing Ltd Michael Waltrip RacingMooncraftMultimatic MotorsportsNissan Motor Corporation/Nismo Oreca Oxford Bolt & Bearing Password JDM Pegasus Auto Racing SuppliesPenske Racing/Penske South Performance Friction Corp. Phil Reilly & Co. Pneumatic TechnologiesPratt & Miller EngineeringPro System Inc. Quartermaster Industries Raceparts UK Ltd. Rahal/Letterman/Lanigan RacingRichard Childress RacingRiley Technologies/MotorsportsRisi Competizione
Riviera Racing Roush Racing Space Exploration TechnologiesSpecialty Fasteners Ltd. Speed Source Race EngineeringStewart Haas RacingStoptech StreetraysSwift Engineering Tial ProductsTom Walkinshaw Performance GroupTogue FactoryToray Carbon MagicTransatlantic Racing Services TRD USA, Inc. Trident Racing Supplies Turner MotorsportsUnderground RacingVildosola RacingWayne Taylor RacingWorld Speed MotorsportsXtrac Ltd./Xtrac USAZee AeroZytek Engineering LTD
Aerospace Hardware Distribution Quality Management SystemThe management system Coast Fabrication, Inc. employs in the Aerospace Hard-ware Distribution segment of its business has been audited in accordance with the requirements of AS9104A and has been certified by DNV to be in compliance with the following standards which govern the distribution of hardware for various indus-tries: The comprehensive and rigorous assessment and certification of our organization and internal processes is your assurance of our ongoing commitment to the highest standards of quality and performance. You can view our current certificate on the home page of our website.
ISO 9001:2008 and AS9120A:2009
ISO
900
1
AS9120
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Fabrication & Restoration Services
Current race car construction and fabrication techniques differ greatly from those used in years gone by. To work capably with different techniques and materials requires versatility, diverse experience, and the right equipment. At Coast Fabrication, Inc. recent projects have included everything from vintage restorations and reproductions to components for Indy & Sports Car teams to military & aerospace prototypes. In short, Coast Fab has the diversity of experience, skill and standards necessary to produce the highest quality components for any application using state of the art or period correct techniques.
Please contact us to discuss your requirements in detail. References are furnished upon request.
• Prototype parts (aircraft & automotive)• Exhaust headers: steel, stainless, inconel• Gas welding/nickel-bronze alloy gas brazing• Chassis repair: spaceframe and monocoque
• Welding: magnesium, aluminum, steel, stainless• Suspension components: alloy steel, mild steel, aluminum• Restorations/reproductions using original fab techniques• Hydraulic tanks & reservoirs
Fabrication ProductsOur proprietary fabrication products include our line of ultra-lightweight racing mufflers (detailed on pages 5-7) and lightweight air filter and plenum assemblies (detailed on page 8). We are also the North American importer for ITG Air Filters for road and racing (detailed on pages 8-12). Other fabrication products and accessories are detailed below.
The preferred method of attachment for our ultra lightweight mufflers. These stainless steel clamps slide over the swaged end of the muffler to hold it to your exhaust pipe. “T” bolt is 1/4-28 with an all metal self-locking nut.
T Bolt Clamps
Merge Type Exhaust Collectors
Merge type exhaust collectors are used in everything from INDYCARS and NASCAR stock cars to sprints, midgets and offroad trucks. Merge collectors help reduce exhaust gas turbulence and aid in scavenging exhaust gases away from the cylinder head, resulting in a broader torque curve and higher top end horsepower. The internal pyramid provides a smooth and streamlined transition from the primary header pipes to the tailpipe/exhaust secondaries. The internal and external taper of the collector cone produces the venturi effect, speeding exhaust gas flow and aiding in gas scavenging/extraction.
Please contact us for details on tubing material and wall thickness and collector type (merge or tri-y). All collectors are made-to-order and priced on request. Please also note that:
1) Primary ends are typically sized to fit primary tube OD. 2) Outlet diameter sizing is to your specifications. Outlets can then be tapered to fit larger or smaller diameter exhaust tubing.
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Ultra Lightweight Racing MufflersCoast Fabrication has been producing Ultra-Lightweight Racing Mufflers since 1995. Over the years Coast Fab mufflers have become the muffler of choice for many teams competing in both professional and amateur road and oval track racing. The durability of Coast Fab mufflers has been proven by use on the winning car at the Rolex 24 hours of Daytona on multiple occasions. Coast Fab mufflers are also found on sports cars, drag cars, motorcycles, off-road vehicles, high-end road cars, and even some airplanes. They have also been the “spec” muffler for several racing series. Most recently Coast Fab mufflers have been developed to withstand the extreme conditions experienced with rotary powered high performance vehicles.
Dyno tests performed by professional race engine builders have shown that freshly packed Coast Fab mufflers show little or no detriment to horsepower or torque when compared to un-muffled systems.
All Coast Fab mufflers are fully TIG welded, use 100% 304 Stainless Steel construction, and have the unique feature of being easily repackable. Several options for muffling cartridge materials are available; all are easily replaceable. These mufflers are hand built in Huntington Beach, California by racecar fabricators, not mass-produced road car parts adapted for racing. Their fit and finish deserve to be shown front and center, not hidden under the car. In short, these mufflers are designed to offer the highest performance at the lightest weight possible, combined with ease of maintenance, maximum durability, and super fit & finish.
Ultra Lightweight Racing Muffler: All New Modular Design
• Removable/replaceable perforated core which allows thermal expansion as well as easy and fast repacks and rebuilds
• Both inlet and outlet tubes are sized to slip over common exhaust pipe sizes allowing the muffler to be used in the middle or at the end of a system
• Turnouts or extensions can be easily added to the muffler outlet
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
“Off The Shelf” Muffler Sizes
Refer to the table below for our “off the shelf” range of muffler sizes.
• Length dimensions are in inches; weight dimensions are in pounds.• Inlet/outlet size noted is also the muffler core ID. Both ends of the mufflers are sized to accept mating tube OD.• Main housing OD is muffler body OD.• Length is end-to-end length including inlet and outlet.• Weights are in pounds for mufflers packed with standard high temperature glassmat packing; • Stainless packing slightly heavier.• When ordering repack kits, please provide muffler size (ID x OD), length and packing option desired.
Inlet/Outlet ID Main Housing OD Overall Length Weight2.00 3.50 12.0 1.762.00 3.50 17.0 2.602.00 4.50 14.0 2.792.25 4.50 14.0 2.832.50 3.50 12.0 1.782.50 3.50 17.0 2.482.50 4.50 12.0 2.372.50 4.50 17.0 3.483.00 4.50 6.0 1.103.00 4.50 12.0 2.373.00 4.50 17.0 3.293.00 6.25 17.0 5.393.50 4.50 6.0 1.093.50 4.50 12.0 2.283.50 4.50 17.0 3.223.50 6.25 17.0 5.714.00 5.50 6.5 1.584.00 5.50 12.0 3.024.00 5.50 17.0 4.274.00 6.25 17.0 5.694.50 6.00 6.5 1.784.50 6.00 12.0 3.294.50 6.00 15.0 4.195.00 6.00 6.0 1.545.00 6.00 12.0 3.255.00 6.00 17.0 5.01
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Two-Stage Muffler
Coast Fabrication’s latest development is a Two-Stage Racing Muffler (pictured below) for use in situations where greater sound reduction is needed and space is at a premium. The first section of the muffler incorporates the same core and packing configuration as the standard Coast Fab muffler. The recently updated second section now includes diffusers and a stainless mesh wrapped core. This feature allows for greater at-track tunability. Two-Stage mufflers have been used successfully worldwide at racetracks with stringent sound regulations. These mufflers are sized specifically to the customer’s requirements.
Custom Muffler Sizes & Configurations
Custom lengths can be easily and quickly accommodated in many cases. Call us to discuss your needs. Please provide us with the following information when calling:
• Inlet & Outlet Sizes
• Muffler Body OD
• End-to-end Length
• Turnouts & Extensions Required
• Packing Material Desired
• Application
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
High Performance Air Filters
Air FiltersIn early 2002, Coast Fabrication, Inc. entered an agreement with Induction Technology Group (ITG) to act as the exclusive North American importer for ITG air filters used in motorsports. We import and specify ITG filters for one simple reason: THEY ARE THE BEST AIR FILTERS MADE.
Why ITG?The ultimate proving ground for any performance product has always been racing. ITG’s racing history is impressive, with numerous wins in World Rally, Touring Cars, Sports and Prototypes, etc. Here in the USA, ITG filters have enjoyed many victories and championships in Sprint car and Midget racing and were also used by Indianapolis 500 winners on multiple occasions. In an arena where only performance matters, ITG filters have been used on the championship winning car in the FIA Formula 1 World Championship on many occasions.
In close cooperation with ITG, Coast Fabrication continues to develop intake systems and air filters for racing, high performance and special applications. PROTOTYPES, SPECIALS, AND LOW VOLUME ORDERS CAN BE EASILY, QUICKLY AND COST-EFFECTIVELY ACCOMODATED. Please contact Gary Donahoe by phone or email ( [email protected]) to discuss your ideas or requirements.
www.coastfab.com/itgairfilters www.itgairfilters.com
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
These versatile filters are easily recognizable by their twin bright red bands around the top and bottom; they should not be confused with the many inferior types of foam air filters. The red bands are the visible part of two fiber-reinforced nylon injection moldings which form the structure to which three-layer filter foam is bonded. The outer two layers give optimum filtration and ‘load-up’ capacity, while the inner layer is made of a special fire retardant filter foam. Together they give the best combination for airflow, engine protection, and safety.
» Air Filter SelectionSelection of the filter element depends on the amount of room available. We recommend fitting the tallest filter element you can, with a minimum gap of 1/2” (13mm) over the top of the filter for air to circulate. If rampipes are used there must be a gap between the end of the pipe and the underside of the top of the filter: 3/4” (19mm) is an absolute minimum, and 1 1/4” (32mm) is preferable. NOTE: MOST TYPES OF MEGAFLOW FILTERS ARE AVAILABLE IN EITHER FLAT OR DOMED “SAUSAGE” SHAPE (SEE JC70 ILLUSTRATION OF SAUSAGE TYPE FILTER ON THE NEXT PAGE OF THIS CATALOG).
» Dust Retention Fluid (Filter Oil)
ALL ITG FILTER SYSTEMS ARE DESIGNED TO INCORPORATE THE USE OF FOAM FILTER OIL. FAILURE TO USE THIS SPECIFIC TYPE OF OIL WILL GREATLY REDUCE FILTER EFFECTIVENESS.
» BaseplatesBaseplates for Megaflow filters are available as blanks (aluminum) or pre-cuts (red powder coated steel) to fit a variety of carburetors and injectors. Blank baseplates are stock items and application-specific pre-cuts are typically special order from the factory. Contact us for further information.
Coast Fabrication, Inc and ITG both recommend the use of NO-TOIL biodegradable foam filter oil. Because this product is water-soluble, filter cleaning and maintenance requires only warm water and common liquid dish washing soap or NO-TOIL cleaner. After the filter is shaken off and air-dried (no high pressure air or hot air blowers, please) it can be lightly re-oiled and returned to service.
Megaflow Road/Race Air Filters
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Please note dimensional information for each filter:
• ALL MEGAFLOW FILTERS ARE DEFINED BY INTERNAL HEIGHT (“A”) DIMENSION
• ALL DIMENSIONS ARE IN MILLIMETERS
ITG: Megaflow Air Filters Dimensions & BHP Ratings
JC20
Dimensions JC20-25 JC20-40 JC20-65 JC20-100A (Internal Height) 25 40 65 100
B (Width) 148 148 148 148
C (Length: Top/Bottom) 192/186 192/186 192/186 192/186
D (Overall Height) 50 65 90 125
Filter Element 1 2 3 4 6JC20-25 140 210 260 315 520
JC20-40 180 270 340 405 680
JC20-65 230 345 430 520 860
JC20-100 300 450 565 675 1130
BHP Ratings These are a guide only; always use the largest filter
Dimensions JC30-25 JC30-40 JC30-65 JC30-100A (Internal Height) 25 40 65 100
B (Width) 149 149 149 149
C (Length: Top) 298 298 298 298
D (Overall Height) 50 65 90 125
Filter Element 1 2 3 4 6JC30-25 210 320
JC30-40 280 420
JC30-65 350 530
JC30-100 460 690
JC30
Dimensions JC40-25 JC40-40 JC40-65 JC40-100A (Internal Height) 25 40 65 100
B (Width) 142 142 142 142
C (Length: Top) 379 379 379 379
D (Overall Height) 50 65 90 125
Filter Element 1 2 3 4 6JC40-25 250 430
JC40-40 325 550
JC40-65 415 705
JC40-100 540 920
JC40
BHP Ratings These are a guide only; always use the largest filter possible
BHP Ratings These are a guide only; always use the largest filter possible
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Dimensions JC50-25 JC50-40 JC50-65 JC50-100A (Internal Height) 25 40 65 100
B (Width) 148 148 148 148
C (Length) 436 436 436 436
D (Overall Height) 50 65 90 125
Filter Element 1 2 3 4 6JC50-25 310 525
JC50-40 400 675
JC50-65 510 860
JC50-100 660 1120
JC50
Dimensions JC70A (Internal Height) 70
B (Width) 103 Internal / 132 external
C (Length) 440 Internal / 506 external
D (Overall Height) 80
JC70
This ultra high performance filter was originally designed for use on Cosworth DFV racing engines. Primarily a maximum airflow race filter, it is not recommended for road car useage due to limited dust hold and fine filtering capacity. Foam is totally self extinguishing; mounting fasteners are in the frame and are accessed from above.
Dimensions JC90A (Internal Height) 80
B (Width) 142
C (Length) 379
D (Overall Height) 105
Filter Element 1 2 3 4 6JC90 470 940
JC90
Dimensions JC100-40 JC100-65 JC100-100A (Internal Height) 40 65 100
B (Width) 142 142 142
C (Length) 608 608 608
D (Overall Height) 65 90 125
Filter Element 1JC100-40 520
(other filter heights in proportion as above)
JC100
Primarily suited for Porsche 911 with Weber carbs; sold in pairs.
BHP Ratings These are a guide only; always use the largest filter possible
BHP Ratings These are a guide only; always use the largest filter possible
BHP Ratings These are a guide only; always use the largest filter possible
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
ITG: Maxogen Remote Filters
Part Number I/D Neck Fitting (a)
O/D Neck Fitting (b)
Filter Diameter (c)
Neck Length (d)
Overall Length (e)
BHP Rating
JC60-58 58 mm 61 mm 149 mm 33 mm 153 mm 200
JC60-60 60 63 149 52 172 220
JC60-63 63 66 149 52 172 240
JC60-67 67 70 149 54 194 270
JC60-70 70 73 149 54 194 290
JC60-73 73 76 149 50 190 300
JC60-78 78 81 149 44 186 310
JC60-80 80 83 180 55 215 450JC60-86 86 89 180 53 213 480JC60-93 93 96 180 50 210 500
JC60-99 99 102 180 50 210 520JC60-114 114 117 180 45 200 550JC60-124 124 127 180 40 200 580JC62-60 60 63 100 75* 170 130JC62-70 70 73 100 75* 170 140
* Note that (d) = Filter Top Diameter on JC62 Filter
These cylindrical filters feature a high quality 3 layer foam construction similar to the Megaflow range. Amazingly lightweight, these are designed for remote mounting and connection to the intake system via flexible aeroduct (more information below). These can also be used in conjunction with ITG’s matching design airbox/plenum to form a system that feeds clean, high pressure air to the engine (see airbox illustration below). Contact us for information and details on airboxes.
JC60 JC62
Aeroduct: Lightweight wire-insert flexible ducting • One to six inch diameter, single and double wall, black neoprene rubber (to 350°F) and red silicone rubber (to 500°F) • Stocked in one to five inch diameters • Sold in box quantities only: 10 ft. lengths in neoprene, 11 ft. lengths in silicone.
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Aerospace Hardware & Fasteners
During the past few decades, racing vehicles ranging from Indy and F1 cars to offroad trucks have increasingly used aircraft and military specification hardware and fasteners in their construction, and with good reason: as the size of the hardware that racers are accustumed to using decreases, its quality and load-bearing capabilities must necessarily increase. Today’s competition vehicles are significantly faster than their predecessors, and, in almost every case, are both lighter and stronger as well.
Throughout this ongoing evolutionary period, there has been a gradual and inevitable drying up of the once ubiquitous “aircraft surplus” hardware. For quite awhile now, new and current specification aerospace hardware and fasteners have been the name of the game, yet many are unfamiliar with the specifications and applications suitabilities.
The items stocked and sold by Coast Fabrication, Inc. have been tested and proven repeatedly at the highest levels of professional competition to become the choice of knowledgeable builders and racers everywhere (they are currently used and specified by every Formula 1 and INDYCAR team and constructor). In short, they offer the quality and performance demanded in critical, highly-stressed applications.
As always, the aerospace industry continues to engineer and develop new and intriguing fasteners from new materials and with new construction and manufacturing methods. For racing purposes, their cost alone makes them impractical. The AN ( Air Force/Navy), MS (Military Specification) and NAS (National Aerospace Standard) fasteners commonly used in racing all originated 30 to 50 years ago. That the evolutions of these specifications are still in use for today’s military and civilian aircraft fasteners is a testament to their lasting suitability and the rigid quality control standards they pioneered. The fact that these basic fastener groups have remained the same for so long means that prices and availability are both reasonable.
Bolt Index
Overview & Guidelines for Commonly Used Aerospace Bolts 14 - 15Dimensional & General Specification Prints 16 - 28Aerospace Bolt Interchange 29Torque & Fastener Matching Information 30Recommended Torque Values for Nut/Bolt Combinations 31Converting Standard Aerospace Fasteners into Custom Parts 31Rockwell Hardness (Tensile Strength) Table 68Thread Sizing 68Equivalents (Fractional-Decimal-Metric) 69
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Bolts
1) Within a given diameter (i.e. 1/4, 3/8, 1/2, etc.) of any AN/MS/NAS series, all bolts will have the same thread length, no matter how long the bolt.
2) The thread lengths for each series bolt are on the specification prints and in chart form on p. 29 for all sizes from #10–32 through 3/4–16.
3) In the commonly specified MS and NAS series bolts, the dash number is the grip in 1/16” (0.0625”) increments, e.g. –18 = 18 x 0.0625” = 1.125” = 18/16”.
4) Thus, to determine the overall length of a bolt, simply add the thread length (for that series and diameter) to the grip length you desire, e.g. NAS 1306–24: grip is 1.50” + threads: 0.578” = 2.078” overall length.
5) In AN series bolts, you must have a chart or bolt gauge to determine lengths, grips or part numbers. THE DASH NUMBERS DO NOT INDICATE GRIPS OR OVERALL LENGTHS.
Bolt Load Capacity Calculations Load calculations for bolts are always defined by the area of a circle (πr2: π =3.1416; r= radius of circle or 1/2 the diameter)
The minimum load capacity is calculated at the area it will bear upon times (x) minimum bolt strength rating.
Shear Loads: Calculate at minimum dimension for full (grip) diameter. Example NAS1304: r = .1243; Area = π r2 = .049 square inches. .049 square inches x 95,000 psi (shear rating) = 4655 lb @ full diameter; single shear Tensile Loads: Calculate at maximum pitch diameter: see chart on page 72 Example NAS1304: r = .1134; Area = π r2 = .0404 square inches. .0404 square inches x 160,000 psi(tensile rating) = 6464 lb
General Information & Formulas
The Parts of a Bolt
The key dimension on aerospace bolts is the grip length. The grip is the unthreaded portion of the bolt underneath the head (see illustration below).
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
AN3 – AN20 SERIES: AIRFRAME BOLTSThe most commonly available aircraft-spec bolts: these hex head, fine threaded fasteners have a minimum tensile strength of 125,000 psi and a minimum shear strength of 75,000 psi. Length of thread is consistent within each diameter, and grips (unthreaded shank) are available in 1/8” increments beginning at 1/16”. Vastly superior to “Grade 8” tension bolts for almost all shear-type, race car applications.
NAS1103/6203 AND NAS1303/6603 SERIES: CLOSE TOLERANCE BOLTSThese fine-threaded, dimpled-head hex bolts have a minimum tensile strength of 160,000 psi and a minimum shear strength of 95,000 psi. Thread length is consistent within each diameter (1103/6203 series have a shorter thread), and grips are available in 1/16” increments beginning at 1/16”. Used in applications where a premium-quality, high strength bolt is necessary.
NAS624 / MS21250 SERIES: 12 POINT EXTERNAL WRENCHING BOLTSThese fine-threaded, twelve-point head bolts have a minimum tensile strength of 180,000 psi and a minimum shear strength of 108,000 psi. Thread length is consistent within each diameter and standard grips are in 1/8” increments beginning at 1/8”. These bolts also have a large radius between the bolt head and shank for additional strength. This requires the use of the MS20002C series beveled washer under the head. A “Superbolt” for the most demanding applications. Please note that odd number grips, i.e. –15, –23, etc., are not standard and may not always be available. Please inquire for specifics.
MS20004 SERIES: INTERNAL WRENCHING BOLTSUsed where construction necessitates the use of an internal wrenching (Allen hex socket) bolt, they are fine-threaded with a minimum tensile strength of 160,000 psi and a minimum shear strength of 96,000 psi. Standard grips are in 1/8” increments beginning at 1/8”. Like the NAS624 series, they require the use of the MS20002C beveled washer under the head. Another alternative for critical or limited access applications. PLEASE NOTE THAT HEAD BASE DIAMETERS AND HEAD HEIGHTS ON TWELVE-POINT HEAD AND INTERNAL WRENCHING BOLTS ARE IDENTICAL. Note also that like 12 point bolts, odd number grips are not standard and may not always be available. Please inquire for specifics.
NAS6303 SERIES: HIGH TEMPERATURE ALLOY HEX BOLTSIdentical in external configuration to the NAS6203 series bolts listed above. Made from A286 stainless steel alloy, rated for 1200°F operation. Minimum tensile strength is 160,000 psi; minimum shear strength is 95,000 psi. The brake hat bolt of choice for all serious race cars.
NAS1102 SERIES: TORQSETSThese are fully threaded (UNF) 100° flat head screws with a torq-set drive recess; 160,000 psi tensile strength. Used where high strength, a large head area, and a positive drive are required (wings, undertrays, etc.). We also stock the drive tools and mating Tinnerman washers (p. 44).
OTHER MS AND NAS BOLTSThe bolts described above represent over 80% of current race car chassis usage. However, there are many other configurations and materials available under MS and NAS part numbers: contact us with your requirements and we can make a recommendation and provide technical details. See p. 31 for information on custom configurations.
NOTE: Tensile strengths on AN3-AN20 bolts are equal to SAE grade 5. Tensile strengths on all other series are at least equal to SAE grade 8.
Bolts, continued...
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Basic AN
Part #
Thread T
A Diameter BC
DE
F H Diam. J Drill Diam
+.010 - .000
KDrill Diam
+.010- .000Max Min Max Min Max Min Max Min Min
AN3AN4
#10-32 UNF-3A 1/4-28 UNF-3A
.189
.249.186 .246
.377
.440.365 .428
.430
.510.141 .172
.109
.140.266 .313 .047 .015 .359
.422.070 .076 .046
AN5AN6
5/16-24 UNF-3A 3/8-24 UNF-3A
.312
.374.309 .371
.502
.565.490 .553
.580
.650.204 .235
.172
.203.359 .438
.063 .031
.484
.547.076 .106
.070AN7AN8
7/16-20 UNF-3A 1/2-20 UNF-3A
.437
.499.433 .495
.627
.752.615 .740
.720
.870.266 .297
.234
.265.484 .609
.609
.734 .106
AN10 5/8-18 UNF-3A .624 .620 .940 .928 1.090 .360 .328 .734 .078 .046 .922 .141
MATERIAL: Non-corrosion-resistant steel, corrosion-resistant steel, or aluminum alloy. MIL-B-6812 procurement spec. FINISH: See procurement spec.
Add “C” before dash number for corrosion-resistant steel bolt.Add “DD” before dash number for aluminum alloy bolt.Add “A” after dash number for undrilled bolt. See illustration below.Add “H” before dash number for bolt with drilled head and shank. See illustration below.Add “H” before dash number and “A” after dash number for bolt with drilled head only. See illustration below.
AN3 - AN10 SERIES SPECIFICATIONS Bolt, Machine, Aircraft, Hex Head
125,000 psi tensile
AN6-10A AN6H10 AN6H10A AN6-10
Undrilled Both head & shank drilled
Head only drilled
Shank only drilled
Illustration of Drilled & Undrilled Bolts & Part Numbers
Bolts shall be free from all hanging burrs and slivers which might become dislodged under usage. Countersinking of drilled holes in head is mandatory. Countersinking of drilled holes in shank is optional.
Dimensions are in INCHES. Unless otherwise specified, tolerances: decimals ± .010, angles ± 5o
17
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
AN3 - AN10
Dash No.
AN3 AN4 AN5 AN6 AN7 AN8 AN10Grip Length Grip Length Grip Length Grip Length Grip Length Grip Length Grip Length
3 4
.063
.125.469 .531
.063
.063.469 .531
.063
.594
5 6
.250
.375.656 .781
.188
.313.656 .781
.188
.313.719 .844
.063
.188.703 .828
.063
.188.719 .844
.063
.844
7 10
.500
.625.906 1.03
.438
.563.906 1.03
.438
.563.969 1.09
.313
.438.953 1.08
.313
.438.969 1.09
.188
.313.969 1.09
.063
.1881.02 1.14
11 12
.750
.8751.16 1.28
.688
.8131.16 1.28
.688
.8131.22 1.34
.563
.6881.20 1.33
.563
.6881.22 1.34
.438
.5631.22 1.34
.313
.4381.27 1.39
13 14
1.00 1.13
1.41 1.53
.938 1.06
1.41 1.53
.938 1.06
1.47 1.59
.813
.9381.45 1.58
.813
.9381.47 1.59
.688
.8131.47 1.59
.563
.6881.52 1.64
15 16
1.25 1.38
1.66 1.78
1.19 1.31
1.66 1.78
1.19 1.31
1.72 1.84
1.06 1.19
1.70 1.83
1.06 1.19
1.72 1.84
.938 1.06
1.72 1.84
.813
.9381.77 1.89
17 20
1.50 1.63
1.91 2.03
1.44 1.56
1.91 2.03
1.44 1.56
1.97 2.09
1.31 1.44
1.95 2.08
1.31 1.44
1.97 2.09
1.19 1.31
1.97 2.09
1.06 1.19
2.02 2.14
21 22
1.75 1.88
2.16 2.28
1.69 1.81
2.16 2.28
1.69 1.81
2.22 2.34
1.56 1.69
2.20 2.33
1.56 1.69
2.22 2.34
1.44 1.56
2.22 2.34
1.31 1.44
2.27 2.39
23 24
2.00 2.13
2.41 2.53
1.94 2.06
2.41 2.53
1.94 2.06
2.47 2.59
1.81 1.94
2.45 2.58
1.81 1.94
2.47 2.59
1.69 1.81
2.47 2.59
1.56 1.69
2.52 2.64
25 26
2.25 2.38
2.66 2.78
2.19 2.31
2.66 2.78
2.19 2.31
2.72 2.84
2.06 2.19
2.70 2.83
2.06 2.19
2.72 2.84
1.94 2.06
2.72 2.84
1.81 1.94
2.77 2.89
27 30
2.50 2.63
2.91 3.03
2.44 2.56
2.91 3.03
2.44 2.56
2.97 3.09
2.31 2.44
2.95 3.08
2.31 2.44
2.97 3.09
2.19 2.31
2.97 3.09
2.06 2.19
3.02 3.14
31 32
2.75 2.88
3.16 3.28
2.69 2.81
3.16 3.28
2.69 2.81
3.22 3.34
2.56 2.69
3.20 3.33
2.56 2.69
3.22 3.34
2.44 2.56
3.22 3.34
2.31 2.44
3.27 3.39
33 34
3.00 3.13
3.41 3.53
2.94 3.06
3.41 3.53
2.94 3.06
3.47 3.59
2.81 2.94
3.45 3.58
2.81 2.94
3.47 3.59
2.69 2.81
3.47 3.59
2.56 2.69
3.52 3.64
35 36
3.25 3.38
3.66 3.78
3.19 3.31
3.66 3.78
3.19 3.31
3.72 3.84
3.06 3.19
3.70 3.83
3.06 3.19
3.72 3.84
2.94 3.06
3.72 3.84
2.81 2.94
3.77 3.89
37 40
3.50 3.63
3.91 4.03
3.44 3.56
3.91 4.03
3.44 3.56
3.97 4.09
3.31 3.44
3.95 4.08
3.31 3.44
3.97 4.09
3.19 3.31
3.97 4.09
3.06 3.19
4.02 4.14
41 42
3.75 3.88
4.16 4.28
3.69 3.81
4.16 4.28
3.69 3.81
4.22 4.34
3.56 3.69
4.20 4.33
3.56 3.69
4.22 4.34
3.44 3.56
4.22 4.34
3.31 3.44
4.27 4.39
43 44
4.00 4.13
4.41 4.53
3.94 4.06
4.41 4.53
3.94 4.06
4.47 4.59
3.81 3.94
4.45 4.58
3.81 3.94
4.47 4.59
3.69 3.81
4.47 4.59
3.56 3.69
4.52 4.64
45 46
4.25 4.38
4.66 4.78
4.19 4.31
4.66 4.78
4.19 4.31
4.72 4.84
4.06 4.19
4.70 4.83
4.06 4.19
4.72 4.84
3.94 4.06
4.72 4.84
3.81 3.94
4.77 4.89
47 50
4.50 4.63
4.91 5.03
4.44 4.56
4.91 5.03
4.44 4.56
4.97 5.09
4.31 4.44
4.95 5.08
4.31 4.44
4.97 5.09
4.19 4.31
4.97 5.09
4.06 4.19
5.02 5.14
51 52
4.75 4.88
5.16 5.28
4.69 4.81
5.16 5.28
4.69 4.81
5.22 5.34
4.56 4.69
5.20 5.33
4.56 4.69
5.22 5.34
4.44 4.56
5.22 5.34
4.31 4.44
5.27 5.39
53 54
5.00 5.13
5.41 5.53
4.94 5.06
5.41 5.53
4.94 5.06
5.47 5.59
4.81 4.94
5.45 5.58
4.81 4.94
5.47 5.59
4.69 4.81
5.47 5.59
4.56 4.69
5.52 5.64
55 56
5.25 5.38
5.66 5.78
5.19 5.31
5.66 5.78
5.19 5.31
5.72 5.84
5.06 5.19
5.70 5.83
5.06 5.19
5.72 5.84
4.94 5.06
5.72 5.84
4.81 4.94
5.77 5.89
57 60
5.50 5.63
5.91 6.03
5.44 5.56
5.91 6.03
5.44 5.56
5.97 6.09
5.31 5.44
5.95 6.08
5.31 5.44
5.97 6.09
5.19 5.31
5.97 6.09
5.06 5.19
6.02 6.14
61 62
5.75 5.88
6.16 6.28
5.69 5.81
6.16 6.28
5.69 5.81
6.22 6.34
5.56 5.69
6.20 6.33
5.56 5.69
6.22 6.34
5.44 5.56
6.22 6.34
5.31 5.44
6.27 6.39
63 64
6.00 6.13
6.41 6.53
5.94 6.06
6.41 6.53
5.94 6.06
6.47 6.59
5.81 5.94
6.45 6.58
5.81 5.94
6.47 6.59
5.69 5.81
6.47 6.59
5.56 5.69
6.52 6.64
65 66
6.25 6.38
6.66 6.78
6.19 6.31
6.66 6.78
6.19 6.31
6.72 6.84
6.06 6.19
6.70 6.83
6.06 6.19
6.72 6.84
5.94 6.06
6.72 6.84
5.81 5.94
6.77 6.89
18
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
NAS1103 - NAS1116 Series Specifications Bolt, Hex Head, Close Tolerance 160,000 PSI Tensile Short Thread
Basic Series Thread A B REF
C MIN
D Dia H +.015 - .000
J+ .015 - .000
K DIA
± .01
M± .010
P (d) DIA
+ .01 -.000
R RAD
T REF
U REF
Before Plate
After Plate
NAS1103 #10-32 UNF-3A
.376
.3670.43 0.36 .1887
.1881.1895 .1885
0.110 0.073 0.19 0.117 0.070 .020 .010
0.28 .016
NAS1104 1/4-28 UNF-3A
.439
.4300.51 0.42 .2487
.2481.2495 .2485
0.125 0.083 0.25 0.116 0.076 .020 .010
0.32 .018
NAS1105 5/16-24 UNF-3A
.502
.4920.58 0.48 .3112
.3106.3120 .3110
0.156 0.104 0.31 0.119 0.076 .020 .010
0.38 .021
NAS1106 3/8-24 UNF-3A
.564
.5530.65 0.55 .3745
.3735.3745 .3735
0.188 0.125 0.38 0.120 0.106 .025 .015
0.39 .021
NAS1107 7/16-20 UNF-3A
.690
.6790.79 0.67 .4362
.4356.4370 .4360
0.219 0.146 0.44 0.124 0.106 .025 .015
0.45 .025
NAS1108 1/2-20 UNF-3A
.752
.7410.87 0.73 .4987
.4981.4995 .4985
0.250 0.167 0.50 0.123 0.106 .030 .020
0.45 .025
NAS1109 9/16-18 UNF-3A
.877
.8651.01 0.86 .5607
.5601.5615 .5605
0.281 0.188 0.56 0.124 0.141 .035 .020
0.51 .028
NAS1110 5/8-18 UNF-3A
.940
.9281.09 0.92 .6232
.6226.6240 .6230
0.312 0.208 0.62 0.124 0.141 .040 .025
0.54 .028
NAS1112 3/4-16 UNF-3A
1.064 1.052
1.23 1.05 .7482 .7476
.7490
.74800.375 0.250 0.75 0.128 0.141 .045
.0300.57 .031
NAS1114 7/8-14 UNF-3A
1.252 1.239
1.44 1.23 .8732 .8726
.8740
.87300.438 0.292 0.88 0.134 0.141 .050
.0350.65 .036
NAS1116 1-12 UNF-3A
1.440 1.427
1.66 1.42 .9982 .9976
.9990
.99800.500 0.333 1.000 0.139 0.141 .060
.0450.77 .042
HEAD MARKING: BASIC PART NO., APPLICABLE DASH NO, AND MANUFACTURER’S TRADEMARK RAISED OR DEPRESSED .010 MAX. LOCATION OPTIONAL.
CHAMPFER 15O TO C OPTIONAL
THREAD PER MIL-S-7742 EXCEPT MAJOR DIA TO BE .001 BELOW MIN SHANK DIA. THREAD RUNOUT PER MIL-B-7838
(d) DRILL P WHEN SPECI-FIED BY PART NO, CSK OPTIONAL
POINT SHALL BE FLAT AND CHAMFERED.CHAMFER U. CHAMFER PLUS INCOMPLETE THREADS NOT TO EXCEED TWO PITCHES
19
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
NAS1103 - NAS1116 (Length ± .015)Note: Use chart on page 29 for NAS 6203 - NAS 6216 length calculations.
Dash No. Grip ± .010 NAS1103 NAS1104 NAS1105 NAS1106 NAS1107 NAS1108 NAS1109 NAS1110 NAS1112 NAS1114 NAS1116
1 2
.062
.125.338 .401
.378
.441.437 .500
.453
.516.515 .578
.515
.578.573 .636
.605
.668.634 .697
.714
.777.832 .895
3 4
.188
.250.464 .526
.504
.566.563 .625
.579
.641.641 .703
.641
.703.699 .761
.731
.793.760 .822
.840
.902.958
1.020
5 6
.312
.375.588 .651
.628
.691.687 .750
.703
.766.765 .828
.765
.828.823 .886
.855
.918.884 .947
.964 1.027
1.082 1.145
7 8
.438
.500.714 .776
.754
.816.813 .875
.829
.891.891 .953
.891
.953.949 1.011
.981 1.043
1.010 1.072
1.090 1.152
1.208 1.270
9 10
.562
.625.838 .901
.878
.941.937 1.000
.953 1.016
1.015 1.078
1.015 1.078
1.073 1.136
1.105 1.168
1.134 1.197
1.214 1.277
1.332 1.395
11 12
.688
.750.964 1.026
1.004 1.066
1.063 1.125
1.079 1.141
1.141 1.203
1.141 1.203
1.199 1.261
1.231 1.291
1.260 1.322
1.340 1.402
1.458 1.520
13 14
.812
.8751.088 1.151
1.128 1.191
1.187 1.250
1.203 1.266
1.265 1.328
1.265 1.328
1.323 1.386
1.355 1.418
1.384 1.447
1.464 1.527
1.582 1.645
15 16
.938 1.000
1.214 1.276
1.254 1.316
1.313 1.375
1.329 1.391
1.391 1.453
1.391 1.453
1.449 1.511
1.481 1.543
1.510 1.572
1.590 1.652
1.708 1.770
17 18
1.062 1.125
1.338 1.401
1.378 1.441
1.437 1.500
1.453 1.516
1.515 1.578
1.515 1.578
1.573 1.636
1.605 1.668
1.634 1.697
1.714 1.777
1.832 1.895
19 20
1.188 1.250
1.464 1.526
1.504 1.566
1.563 1.625
1.579 1.641
1.641 1.703
1.641 1.703
1.699 1.761
1.731 1.793
1.760 1.822
1.840 1.902
1.958 2.020
21 22
1.312 1.375
1.588 1.651
1.628 1.691
1.687 1.750
1.703 1.766
1.765 1.828
1.765 1.828
1.823 1.886
1.855 1.918
1.884 1.947
1.964 2.027
2.082 2.145
23 24
1.438 1.500
1.714 1.776
1.754 1.816
1.813 1.875
1.829 1.891
1.891 1.953
1.891 1.953
1.949 2.011
1.981 2.043
2.010 2.072
2.090 2.152
2.208 2.270
25 26
1.562 1.625
1.838 1.901
1.878 1.941
1.937 2.000
1.953 2.016
2.015 2.078
2.015 2.078
2.073 2.136
2.105 2.168
2.134 2.197
2.214 2.277
2.332 2.395
27 28
1.688 1.750
1.964 2.026
2.004 2.066
2.063 2.125
2.079 2.141
2.141 2.203
2.141 2.203
2.199 2.261
2.231 2.291
2.260 2.322
2.340 2.402
2.458 2.520
29 30
1.812 1.875
2.088 2.151
2.128 2.191
2.187 2.250
2.203 2.266
2.265 2.328
2.265 2.328
2.323 2.386
2.355 2.418
2.384 2.447
2.464 2.527
2.582 2.645
31 32
1.938 2.000
2.214 2.276
2.254 2.316
2.313 2.375
2.329 2.391
2.391 2.453
2.391 2.453
2.449 2.511
2.481 2.543
2.510 2.572
2.590 2.652
2.708 2.770
34 36
2.125 2.250
2.401 2.526
2.441 2.566
2.500 2.625
2.516 2.641
2.578 2.703
2.578 2.703
2.636 2.761
2.668 2.793
2.697 2.822
2.777 2.902
2.895 3.020
38 40
2.375 2.500
2.651 2.776
2.691 2.816
2.750 2.875
2.766 2.891
2.828 2.953
2.828 2.953
2.886 3.011
2.918 3.043
2.947 3.072
3.027 3.152
3.145 3.270
42 44
2.625 2.750
2.901 3.026
2.941 3.066
3.000 3.125
3.016 3.141
3.078 3.203
3.078 3.203
3.136 3.261
3.168 3.291
3.197 3.322
3.277 3.402
3.395 3.520
46 48
2.875 3.000
3.151 3.276
3.191 3.316
3.250 3.375
3.266 3.391
3.328 3.453
3.328 3.453
3.386 3.511
3.418 3.543
3.447 3.572
3.527 3.652
3.645 3.770
50 52
3.125 3.250
3.401 3.526
3.441 3.566
3.500 3.625
3.516 3.641
3.578 3.703
3.578 3.703
3.636 3.761
3.668 3.793
3.697 3.822
3.777 3.902
3.895 4.020
54 56
3.375 3.500
3.651 3.776
3.691 3.816
3.750 3.875
3.766 3.891
3.828 3.953
3.828 3.953
3.886 4.011
3.918 4.043
3.947 4.072
4.027 4.152
4.145 4.270
58 60
3.625 3.750
3.901 4.026
3.941 4.066
4.000 4.125
4.016 4.141
4.078 4.203
4.078 4.203
4.136 4.261
4.168 4.291
4.197 4.322
4.277 4.402
4.395 4.520
62 64
3.875 4.000
4.151 4.276
4.191 4.316
4.250 4.375
4.266 4.391
4.328 4.453
4.328 4.453
4.386 4.511
4.418 4.543
4.447 4.572
4.527 4.652
4.645 4.770
66 68
4.125 4.250
4.401 4.526
4.441 4.566
4.500 4.625
4.516 4.641
4.578 4.703
4.578 4.703
4.636 4.761
4.668 4.793
4.697 4.822
4.777 4.902
4.895 5.020
70 72
4.375 4.500
4.651 4.776
4.691 4.816
4.750 4.875
4.766 4.891
4.828 4.953
4.828 4.953
4.886 5.011
4.918 5.043
4.947 5.072
5.027 5.152
5.145 5.270
74 76
4.625 4.750
4.901 5.026
4.941 5.066
5.000 5.125
5.016 5.141
5.078 5.203
5.078 5.203
5.136 5.261
5.168 5.291
5.197 5.322
5.277 5.402
5.395 5.520
78 80
4.875 5.000
5.151 5.276
5.191 5.316
5.250 5.375
5.266 5.391
5.328 5.453
5.328 5.453
5.386 5.511
5.418 5.543
5.447 5.572
5.527 5.652
5.645 5.770
82 84
5.125 5.250
5.401 5.526
5.441 5.566
5.500 5.625
5.516 5.641
5.578 5.703
5.578 5.703
5.636 5.761
5.668 5.793
5.697 5.822
5.777 5.902
5.895 6.020
86 88
5.375 5.500
5.651 5.776
5.691 5.816
5.750 5.875
5.766 5.891
5.828 5.953
5.828 5.953
5.886 6.011
5.918 6.043
5.947 6.072
6.027 6.152
6.145 6.270
90 92
5.625 5.750
5.901 6.026
5.941 6.066
6.000 6.125
6.016 6.141
6.078 6.203
6.078 6.203
6.136 6.261
6.168 6.291
6.197 6.322
6.277 6.402
6.395 6.520
94 96
5.875 6.000
6.151 6.276
6.191 6.316
6.250 6.375
6.266 6.391
6.328 6.453
6.328 6.453
6.386 6.511
6.418 6.543
6.447 6.572
6.527 6.652
6.645 6.770
20
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
NAS1303 - NAS1316 Series Specifications Bolt, Hex Head, Close Tolerance
160,000 PSI Tensile
Basic Part Number Thread
A
B
REF
C
MIN
D Diameter H
+.015 - .000
J
+ .015 - .000
K
DIA ± .010
M
± .010
N DIA
+ .010 - .000
P (d) DIA
+ .010 -.000
R
RAD
T
REF
U
REF Before Plate
After Plate
NAS1303 #10-32 UNF-3A
.376
.367 0.43 0.359 .1887 .1881
.1895
.1885 0.110 0.073 0.190 0.163 0.046 0.070 .020 .010 0.338 0.016
NAS1304 1/4-28 UNF-3A
.439
.430 0.51 0.422 .2487 .2481
.2495
.2485 0.125 0.083 0.250 0.178 0.046 0.076 .020 .010 0.425 0.018
NAS1305 5/16-24 UNF-3A
.502
.492 0.58 0.484 .3112 .3106
.3120
.3110 0.156 0.104 0.310 0.181 0.070 0.076 .020 .010 0.469 0.021
NAS1306 3/8-24 UNF-3A
.564
.553 0.65 0.547 .3737 .3731
.3745
.3735 0.188 0.125 0.380 0.197 0.070 0.106 .025 .015 0.578 0.021
NAS1307 7/16-20 UNF-3A
.690
.679 0.79 0.672 .4362 .4356
.4370
.4360 0.219 0.146 0.440 0.201 0.070 0.106 .025 .015 0.594 0.025
NAS1308 1/2-20 UNF-3A
.752
.741 0.87 0.734 .4987 .4981
.4995
.4985 0.250 0.167 0.500 0.216 0.070 0.106 .030 .020 0.735 0.025
NAS1309 9/16-18 UNF-3A
.877
.865 1.01 0.859 .5607 .5601
.5616
.5605 0.281 0.188 0.560 0.218 0.070 0.141 .035 .020 0.840 0.028
NAS1310 5/8-18 UNF-3A
.940
.928 1.09 0.922 .6232 .6226
.6240
.6230 0.312 0.208 0.620 0.249 0.070 0.141 .040 .025 0.902 0.028
NAS1312 3/4-16 UNF-3A
1.064 1.052 1.23 1.047 .7482
.7476.7490 .7480 0.375 0.250 0.750 0.252 0.070 0.141 .045
.030 1.041 0.031
NAS1314 7/8-14 UNF-3A
1.252 1.239 1.44 1.234 .8732
.8726.8740 .8730 0.438 0.292 0.880 0.257 0.070 0.141 .050
.035 1.184 0.036
NAS1316 1-12 UNF-3A
1.440 1.427 1.66 1.422 .9982
.9976.9990 .9980 0.500 0.333 1.000 0.264 0.070 0.141 .060
.045 1.309 0.042
HEAD MARKING: BASIC PART NO., APPLICABLE DASH NO., AND MANFACTURER’S TRADEMARK RAISED OR DEPRESSED .010 MAX. LOCATION OPTIONAL
DRILL N (3 HOLES) WITHIN .010 OF CENTER OF HEX FLAT WHEN SPECIFIED BY PART NO. LOCK WIRE HOLES MUST BE FREE FROM BURRS AND SHARP EDGES.
CHAMFER 15O TO C OPTIONAL
THREAD PER MIL-S-7742, EXCEPT MAJOR DIA TO BE .001 BELOW MIN SHANK DIA. THREAD RUNOUT PER MIL-B-7838
(d) DRILL P WHEN SPECIFIED BY PART NO, CSK OPTIONAL
POINT SHALL BE FLAT AND CHAMFERED. CHAMFER U. CHAMFER PLUS INCOM-PLETE THREADS NOT TO EXCEED TWO PITCHES
21
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
NAS1303 - NAS1316 (Length ± .015)
Dash No.
Grip ± .010
NAS 1303
NAS 1304
NAS 1305
NAS 1306
NAS 1307
NAS 1308
NAS 1309
NAS 1310
NAS 1312
NAS 1314
NAS 1316
1 2 3 4
.062
.125
.188
.250
.400
.463
.526
.588
.487
.550
.613
.675
.531
.594
.657
.719
.640
.703
.766
.828
.656
.719
.782
.844
.797
.860
.923
.985
.902
.965 1.028 1.090
.964 1.027 1.090 1.152
1.103 1.166 1.229 1.291
1.246 1.309 1.372 1.434
1.371 1.4341.497 1.559
5 6 7 8
.312
.375
.438
.500
.650
.713
.776
.838
.737
.800
.863
.925
.781
.844
.907
.969
.890
.953 1.016 1.078
.906
.969 1.032 1.094
1.047 1.110 1.173 1.235
1.152 1.215 1.278 1.340
1.214 1.277 1.340 1.402
1.353 1.416 1.479 1.541
1.496 1.559 1.622 1.684
1.621 1.684 1.747 1.809
9 10 11 12
.562
.625
.688
.750
.900
.963 1.026 1.088
.987 1.050 1.113 1.175
1.031 1.094 1.157 1.219
1.140 1.203 1.266 1.328
1.156 1.219 1.282 1.344
1.297 1.360 1.423 1.485
1.402 1.465 1.528 1.590
1.464 1.527 1.590 1.652
1.603 1.666 1.729 1.791
1.746 1.809 1.872 1.934
1.871 1.934 1.997 2.059
13 14 15 16
.812
.875
.938 1.000
1.150 1.213 1.276 1.338
1.237 1.300 1.363 1.425
1.281 1.344 1.407 1.469
1.390 1.453 1.516 1.578
1.406 1.469 1.532 1.594
1.547 1.610 1.673 1.735
1.652 1.715 1.778 1.840
1.714 1.777 1.840 1.902
1.8531.916 1.979 2.041
1.996 2.059 2.122 2.184
2.121 2.184 2.247 2.309
17 18 19 20
1.062 1.125 1.188 1.250
1.400 1.463 1.526 1.588
1.487 1.550 1.613 1.675
1.531 1.594 1.657 1.719
1.640 1.703 1.766 1.828
1.656 1.719 1.782 1.844
1.797 1.860 1.923 1.985
1.902 1.965 2.028 2.090
1.964 2.027 2.090 2.152
2.103 2.166 2.229 2.291
2.246 2.309 2.372 2.434
2.371 2.434 2.497 2.559
21 22 23 24
1.312 1.375 1.438 1.500
1.650 1.713 1.776 1.838
1.737 1.800 1.863 1.925
1.781 1.844 1.907 1.969
1.890 1.953 2.016 2.078
1.906 1.969 2.032 2.094
2.047 2.110 2.173 2.235
2.152 2.215 2.278 2.340
2.214 2.277 2.340 2.402
2.353 2.416 2.479 2.541
2.496 2.559 2.622 2.684
2.621 2.684 2.747 2.809
25 26 27 28
1.562 1.625 1.688 1.750
1.900 1.963 2.026 2.088
1.987 2.050 2.113 2.175
2.031 2.094 2.157 2.219
2.140 2.203 2.266 2.328
2.156 2.219 2.282 2.344
2.297 2.360 2.423 2.485
2.402 2.465 2.528 2.590
2.464 2.527 2.590 2.652
2.603 2.666 2.729 2.791
2.746 2.809 2.872 2.934
2.871 2.934 2.997 3.059
29 30 31 32
1.812 1.875 1.938 2.000
2.150 2.213 2.276 2.338
2.237 2.300 2.363 2.425
2.281 2.344 2.407 2.469
2.390 2.453 2.516 2.578
2.406 2.469 2.532 2.594
2.547 2.610 2.673 2.735
2.652 2.715 2.778 2.840
2.714 2.777 2.840 2.902
2.853 2.916 2.979 3.041
2.996 3.059 3.122 3.184
3.121 3.184 3.247 3.309
34 36 38 40
2.125 2.250 2.375 2.500
2.463 2.588 2.713 2.838
2.550 2.675 2.800 2.925
2.594 2.719 2.844 2.969
2.703 2.828 2.953 3.078
2.719 2.844 2.969 3.094
2.860 2.985 3.110 3.235
2.965 3.090 3.215 3.340
3.027 3.152 3.277 3.402
3.166 3.291 3.4163.541
3.309 3.434 3.559 3.684
3.434 3.559 3.684 3.809
42 44 46 48
2.625 2.750 2.875 3.000
2.963 3.088 3.213 3.338
3.050 3.175 3.300 3.425
3.094 3.219 3.344 3.469
3.203 3.328 3.453 3.578
3.219 3.344 3.469 3.594
3.360 3.485 3.610 3.735
3.465 3.590 3.715 3.840
3.527 3.652 3.777 3.902
3.666 3.791 3.916 4.041
3.809 3.934 4.059 4.184
3.934 4.059 4.184 4.309
50 52 54 56
3.125 3.250 3.375 3.500
3.463 3.588 3.713 3.838
3.550 3.675 3.800 3.925
3.594 3.719 3.844 3.969
3.703 3.828 3.953 4.078
3.719 3.844 3.969 4.094
3.860 3.985 4.110 4.235
3.965 4.090 4.215 4.340
4.027 4.152 4.277 4.402
4.166 4.291 4.416 4.541
4.309 4.434 4.559 4.684
4.434 4.559 4.684 4.809
58 60 62 64
3.625 3.750 3.875 4.000
3.963 4.088 4.213 4.338
4.050 4.175 4.300 4.425
4.094 4.219 4.344 4.469
4.203 4.328 4.453 4.578
4.219 4.344 4.469 4.594
4.360 4.485 4.610 4.735
4.465 4.590 4.715 4.840
4.527 4.652 4.777 4.902
4.666 4.791 4.916 5.041
4.809 4.934 5.059 5.184
4.934 5.059 5.184 5.309
66 68 70 72
4.125 4.250 4.375 4.500
4.463 4.588 4.713 4.838
4.550 4.675 4.800 4.925
4.594 4.719 4.844 4.969
4.703 4.828 4.953 5.078
4.719 4.844 4.969 5.094
4.860 4.985 5.110 5.235
4.965 5.090 5.215 5.340
5.027 5.152 5.277 5.402
5.166 5.291 5.416 5.541
5.309 5.434 5.559 5.684
5.434 5.559 5.684 5.809
74 76 78 80
4.625 4.750 4.875 5.000
4.963 5.0885.213 5.338
5.050 5.175 5.300 5.425
5.094 5.219 5.344 5.469
5.203 5.328 5.453 5.578
5.219 5.344 5.469 5.594
5.360 5.485 5.610 5.735
5.465 5.590 5.715 5.840
5.527 5.652 5.777 5.902
5.666 5.791 5.916 6.041
5.809 5.934 6.059 6.184
5.934 6.059 6.184 6.309
82 84 86 88
5.125 5.250 5.375 5.500
5.463 5.588 5.713 5.838
5.550 5.675 5.800 5.925
5.594 5.719 5.844 5.969
5.703 5.828 5.953 6.078
5.719 5.844 5.969 6.094
5.860 5.985 6.110 6.235
5.965 6.090 6.215 6.340
6.027 6.152 6.277 6.402
6.166 6.291 6.416 6.541
6.309 6.434 6.559 6.684
6.434 6.559 6.684 6.809
90 92 94 96
5.625 5.750 5.875 6.000
5.963 6.088 6.213 6.338
6.050 6.175 6.300 6.425
6.094 6.219 6.344 6.469
6.203 6.328 6.453 6.578
6.219 6.344 6.469 6.594
6.360 6.485 6.610 6.735
6.465 6.590 6.715 6.840
6.527 6.652 6.777 6.902
6.666 6.791 6.916 7.041
6.809 6.934 7.059 7.184
6.934 7.059 7.184 7.309
22
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
WHEN REQUIRED, DRILL”N” DIA., 4 HOLES EQUALLY SPACED AS SHOWN, MANDATORY TO CSK, DRILLED HOLES
A
H
W
A
A
STAMP “MS21250” AND MANU-FACTURER’S IDENTIFICATION .010 MAX DEPTH
M
WRENCHING ELEMENT W
D
30O
Q GRIP
LENGTH
T
32
.015 X 45O
.005
45O
B
MAX 2 INCOMPLETE THREADS
R
MAJOR DIA. SHALL BE MIN. OF .001 LESS THAN MEASURED SHANK DIA. THREADS PER MIL-S-8879
LENGTH TO FIRST COMPLETE THREAD PITCH NOT TO EXCEED 2 THREAD PITCHES INCLUDING CHAMFER
SECTION A-A0O- 5O
S
U X 45O
P
E
60O
32
J
FLAT, CURVED OR ANGULAR BOTTOM OPTIONAL
MS21250 Series Specifications Bolt, Steel, External Wrenching
180,000 PSI Tensile, 450°F, 12 Point
Dash No.
Thread MIL-S-8879
A Dia.
B Dia.
Nom Size W
D Dia
EMin
H J + .010 - .030
M N Dia
± .005
P Max
Q R S Max
T Min
U ± .016
02 .1640-32 UNJC-3A
.300
.290.1635 .1625
0.2188 .219 .204
0.076 0.250 0.100 .062 .037 - 0.050 .041 .031
- 0.385 .031
03 .1900-32 UNJF-3A
.350
.340.1895 .1885
0.250 .250 .235
0.092 0.265 0.125 .062 .037 - 0.055 .041 .031
- 0.420 .031
04 .2500-28UNJF-3A
.438
.428.2495 .2485
0.3125 .312 .297
0.135 0.300 0.180 .062 .037 - 0.069 .041 .031
- 0.492 .031
05 .3125-24 UNJF-3A
.531
.521.3120 .3110
0.375 .375 .360
0.162 0.348 0.215 .070 .055 - 0.082 .041 .031
- 0.579 .047
06 .3750-24 UNJF-3A
.649
.639.3745 .3735
0.4375 .437 .422
0.197 0.388 0.260 .070 .055 - 0.091 .057 .047
- 0.625 .047
07 .4375-20 UNJF-3A
.750
.740.4370 .4360
0.500 .500 .485
0.228 0.435 0.320 .070 .055 - 0.099 .057 .047
- 0.721 .047
08 .5000-20 UNJF-3A
.828
.818.4995 .4985
0.5625 .562 .547
0.254 0.504 0.380 .094 .055 - 0.123 .057 .047
- 0.768 .047
09 .5625-18 UNJF-3A
.938
.928.5615 .5605
0.625 .625 .610
0.287 0.557 0.440 .094 .055 - 0.133 .057 .047
- 0.852 .062
10 .6250-18 UNJF-3A
1.050 1.040
.6240
.62300.6875 .687
.6720.327 0.618 0.500 .094 .055 - 0.150 .073
.063- 0.899 .062
12 .7500-16 UNJF-3A
1.230 1.220
.7490
.74800.8125 .812
.7970.380 0.711 0.570 .094 .055 .200 0.178 .073
.063.187 1.036 .062
14 .8750-14 UNJF-3A
1.438 1.428
.8740
.87300.9375 .937
.9220.438 0.808 0.650 .125 .055 .260 0.198 .073
.063.187 1.244 .078
16 1.000-12 UNJF-3A
1.625 1.615
.9990
.99801.0625 1.062
1.0470.493 0.923 0.740 .125 .055 .260 0.222 .073
.063.250 1.479 .078
23
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HOW TO READ THE PART NUMBER:MS21250-xxyyy
For example: MS21250-07040* “xx” indicates Diameter; MS21250-07040 = 7/16” Diameter
** “yyy” indicates Grip Length MS21250-07040 = 40/16” = 2.5” Grip Length
MS21250-xxyyy
Dash No.
Grip ± .010
02 03 04 05 06 07 08 09 10 12 14 16
004 0.250 0.655 0.690 0.762 0.849 0.895 0.991 1.038 - - - - -006 0.375 0.780 0.815 0.887 0.974 1.020 1.116 1.163 1.247 1.294 1.431 - -008 0.500 0.905 0.940 1.012 1.099 1.145 1.241 1.288 1.372 1.419 1.556 1.764 1.999010 0.625 1.030 1.065 1.137 1.224 1.270 1.366 1.413 1.497 1.544 1.681 1.889 2.124012 0.750 1.155 1.190 1.262 1.349 1.395 1.491 1.538 1.622 1.669 1.806 2.014 2.249014 0.875 1.280 1.315 1.387 1.474 1.520 1.616 1.663 1.747 1.794 1.931 2.139 2.374016 1.000 1.405 1.440 1.512 1.599 1.645 1.741 1.788 1.872 1.919 2.056 2.264 2.499018 1.125 1.530 1.565 1.637 1.724 1.770 1.866 1.913 1.997 2.044 2.181 2.389 2.624020 1.250 1.655 1.690 1.762 1.849 1.895 1.991 2.038 2.122 2.169 2.306 2.514 2.749022 1.375 1.780 1.815 1.887 1.974 2.020 2.116 2.163 2.247 2.294 2.431 2.639 2.874024 1.500 1.905 1.940 2.012 2.099 2.145 2.241 2.288 2.372 2.419 2.556 2.764 2.999026 1.625 2.030 2.065 2.137 2.224 2.270 2.366 2.413 2.497 2.544 2.681 2.889 3.124028 1.750 2.155 2.190 2.262 2.349 2.395 2.491 2.538 2.622 2.669 2.806 3.014 3.249030 1.875 2.280 2.315 2.387 2.474 2.520 2.616 2.663 2.747 2.794 2.931 3.139 3.374032 2.000 2.405 2.440 2.512 2.599 2.645 2.741 2.788 2.872 2.919 3.056 3.264 3.499034 2.125 2.530 2.565 2.637 2.724 2.770 2.866 2.913 2.997 3.044 3.181 3.389 3.624036 2.250 2.655 2.690 2.762 2.849 2.895 2.991 3.038 3.122 3.169 3.306 3.514 3.749038 2.375 2.780 2.815 2.887 2.974 3.020 3.116 3.163 3.247 3.294 3.431 3.639 3.874040 2.500 2.905 2.940 3.012 3.099 3.145 3.241 3.288 3.372 3.419 3.556 3.764 3.999042 2.625 3.030 3.065 3.137 3.224 3.270 3.366 3.413 3.497 3.544 3.681 3.889 4.124044 2.750 3.155 3.190 3.262 3.349 3.395 3.491 3.538 3.622 3.669 3.806 4.014 4.249046 2.875 3.280 3.315 3.387 3.474 3.520 3.616 3.663 3.747 3.794 3.931 4.139 4.374048 3.000 3.405 3.440 3.512 3.599 3.645 3.741 3.788 3.872 3.919 4.056 4.264 4.499050 3.125 3.530 3.565 3.637 3.724 3.770 3.866 3.913 3.997 4.044 4.181 4.389 4.624052 3.250 3.655 3.690 3.762 3.849 3.895 3.991 4.038 4.122 4.169 4.306 4.514 4.749054 3.375 3.780 3.815 3.887 3.974 4.020 4.116 4.163 4.247 4.294 4.431 4.639 4.874056 3.500 3.905 3.940 4.012 4.099 4.145 4.241 4.288 4.372 4.419 4.556 4.764 4.999058 3.625 4.030 4.065 4.137 4.224 4.270 4.366 4.413 4.497 4.544 4.681 4.889 5.124060 3.750 4.155 4.190 4.262 4.349 4.395 4.491 4.538 4.622 4.669 4.806 5.014 5.249062 3.875 4.280 4.315 4.387 4.474 4.520 4.616 4.663 4.747 4.794 4.931 5.139 5.374064 4.000 4.405 4.440 4.512 4.599 4.645 4.741 4.788 4.872 4.919 5.056 5.264 5.499066 4.125 4.530 4.565 4.637 4.724 4.770 4.866 4.913 4.997 5.044 5.181 5.389 5.624068 4.250 4.655 4.690 4.762 4.849 4.895 4.991 5.038 5.122 5.169 5.306 5.514 5.749070 4.375 4.780 4.815 4.887 4.974 5.020 5.116 5.163 5.247 5.294 5.431 5.639 5.874072 4.500 4.905 4.940 5.012 5.099 5.145 5.241 5.288 5.372 5.419 5.556 5.764 5.999074 4.625 5.030 5.065 5.137 5.224 5.270 5.366 5.413 5.497 5.544 5.681 5.889 6.124076 4.750 5.155 5.190 5.262 5.349 5.395 5.491 5.538 5.622 5.669 5.806 6.014 6.249078 4.875 5.280 5.315 5.387 5.474 5.520 5.616 5.663 5.747 5.794 5.931 6.139 6.374080 5.000 5.405 5.440 5.512 5.599 5.645 5.741 5.788 5.872 5.919 6.056 6.264 6.499082 5.125 5.530 5.565 5.637 5.724 5.770 5.866 5.913 5.997 6.044 6.181 6.389 6.624084 5.250 5.655 5.690 5.762 5.849 5.895 5.991 6.038 6.122 6.169 6.306 6.514 6.749086 5.375 5.780 5.815 5.887 5.974 6.020 6.116 6.163 6.247 6.294 6.431 6.639 6.874088 5.500 5.905 5.940 6.012 6.099 6.145 6.241 6.288 6.372 6.419 6.556 6.764 6.999090 5.625 6.030 6.065 6.137 6.224 6.270 6.366 6.413 6.497 6.544 6.681 6.889 7.124092 5.750 6.155 6.190 6.262 6.349 6.395 6.491 6.538 6.622 6.669 6.806 7.014 7.249094 5.875 6.280 6.315 6.387 6.474 6.520 6.616 6.663 6.747 6.794 6.931 7.139 7.374096 6.000 6.405 6.440 6.512 6.599 6.645 6.741 6.788 6.872 6.919 7.056 7.264 7.499
GRIP LENGTH of bolts shall be measured from underside of head to the end of full cylindrical portion of the shank. DASH NO. indicates preferred lengths in 0.125” increments.
*xx →
**yyy ↕
Overall (underhead) length (± .015”) in each diameter is read at the intersection of diameter and grip length, e.g. MS21250-07040 = 3.241
24
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MS20004 - MS20014 Series Specifications Bolts, Internal Wrenching
160,000 PSI FTU & 96,000 PSI FSU
Basic MS Part No.
Thread T
A Diameter
B Diameter
C
Diameter
D E F
Min
H Hex
J K M Diameter
+ .005 - .000
N
Max RadMax Min Max Min Max Min
20004 1/4-28 UNF-3A .2492 .2477 .438 .428 .342 .250 .112 .068 .1900 .1880 .078 .063 .037 .010
20005 5/16-24 UNF-3A .3117 .3102 .531 .521 .394 .312 .144 .094 .2210 .2190 .094 .063 .055 .010
20006 3/8-24 UNF-3A .3742 .3727 .649 .639 .520 .375 .183 .116 .3150 .3130 .125 .063 .055 .011
20007 7/16-20 UNF-3A .4367 .4347 .750 .740 .534 .438 .208 .141 .3150 .3130 .156 .063 .055 .011
20008 1/2-20 UNF-3A .4991 .4971 .828 .818 .625 .500 .247 .169 .3785 .3755 .172 .063 .055 .011
20009 9/16-18 UNF-3A .5616 .5596 .938 .928 .723 .562 .279 .190 .4410 .4380 .203 .094 .055 .011
20010 5/8-18 UNF-3A .6240 .6220 1.050 1.040 .826 .625 .317 .216 .5035 .5005 .234 .094 .055 .019
20012 3/4-16 UNF-3A .7488 .7468 1.230 1.220 .921 .750 .385 .273 .5660 .5630 .281 .094 .055 .022
20014 7/8-14 UNF-3A .8737 .8707 1.438 1.438 1.083 .875 .450 .327 .6295 .6257 .344 .094 .055 .022
Basic MS Part No.
PRad
R Rad
S Min Ref.
U ± .016
V Max
W Max
Tensile Strength lb Min
Concentricity
Max Min Max Min X Y Z
20004 .020 .010 .041 .031 .475 .031 .187 .250 6,190 .005 .007 .0045
20005 .020 .010 .041 .031 .537 .047 .187 .250 9,820 .006 .008 .0045
20006 .020 .010 .057 .047 .662 .047 .187 .250 15,200 .008 .010 .0045
20007 .020 .010 .057 .047 .767 .047 .187 .250 20,600 .009 .011 .006
20008 .020 .010 .057 .047 .767 .047 .187 .250 27,400 .010 .012 .006
20009 .020 .010 .057 .047 .850 .062 .187 .250 34,800 .011 .014 .006
20010 .020 .010 .073 .063 .912 .062 .187 .250 43,600 .012 .016 .006
20012 .030 .015 .073 .063 1.037 .062 .187 .250 63,200 .015 .018 .006
20014 .030 .015 .073 .063 1.162 .078 .187 .250 86,100 .018 .022 .009
MATERIAL: Alloy steel; see procurement spec. FINISH: Cadmium plate, QQ-P-416, Type II, Class 3 HARDNESS: Rockwell C34 to C40
DIMENSIONS ARE AFTER PLATING AND IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: DECIMALS ± .010, ANGLES ± 1O
25
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Dash No. Grip ± .010
MS20004 1/4
MS20005 5/16
MS20006 3/8
MS20007 7/16
MS20008 1/2
MS20009 9/16
MS20010 5/8
MS20012 3/4
MS20014 7/8
4 6
.250
.375.750 .875
.938
1.062 - - - - - -
8 10
.500
.6251.000 1.125
1.062 1.188
1.888 1.312
1.312 1.438
1.312 1.438
1.500
1.562 - -
12 14
.750
.8751.250 1.375
1.312 1.438
1.438 1.562
1.562 1.688
1.562 1.688
1.625 1.750
1.688 1.812
1.812 1.938
2.062
16 18
1.000 1.125
1.500 1.625
1.562 1.688
1.688 1.812
1.812 1.938
1.812 1.938
1.875 2.000
1.938 2.062
2.062 2.188
2.188 2.312
20 22
1.250 1.375
1.750 1.875
1.812 1.938
1.938 2.062
2.062 2.188
2.062 2.188
2.125 2.250
2.188 2.312
2.312 2.438
2.438 2.562
24 26
1.500 1.625
2.000 2.125
2.062 2.188
2.188 2.312
2.312 2.438
2.312 2.438
2.375 2.500
2.438 2.562
2.562 2.688
2.688 2.812
28 30
1.750 1.875
2.250 2.375
2.312 2.438
2.438 2.562
2.562 2.688
2.562 2.688
2.625 2.750
2.688 2.812
2.812 2.938
2.938 3.062
32 34
2.000 2.125
2.500 2.625
2.562 2.688
2.688 2.812
2.812 2.938
2.812 2.938
2.875 3.000
2.938 3.062
3.062 3.188
3.188 3.312
36 38
2.250 2.375
2.750 2.875
2.812 2.938
2.938 3.062
3.062 3.188
3.062 3.188
3.125 3.250
3.188 3.312
3.312 3.438
3.438 3.562
40 42
2.500 2.625
3.000 3.125
3.062 3.188
3.188 3.312
3.312 3.438
3.312 3.438
3.375 3.500
3.438 3.562
3.562 3.688
3.688 3.812
44 46
2.750 2.875
3.250 3.375
3.312 3.438
3.438 3.562
3.562 3.688
3.562 3.688
3.625 3.750
3.688 3.812
3.812 3.938
3.938 4.062
48 50
3.000 3.125
3.500 3.625
3.562 3.688
3.688 3.812
3.812 3.938
3.812 3.938
3.875 4.000
3.938 4.062
4.062 4.188
4.188 4.312
52 54
3.250 3.375
3.750 3.875
3.812 3.938
3.938 4.062
4.062 4.188
4.062 4.188
4.125 4.250
4.188 4.312
4.312 4.438
4.438 4.562
56 58
3.500 3.625
4.000 4.125
4.062 4.188
4.188 4.312
4.312 4.438
4.312 4.438
4.375 4.500
4.438 4.562
4.562 4.688
4.688 4.812
60 62
3.750 3.875
4.250 4.375
4.312 4.438
4.438 4.562
4.562 4.688
4.562 4.688
4.625 4.750
4.688 4.812
4.812 4.938
4.938 5.062
64 66
4.000 4.125
4.500 4.625
4.562 4.688
4.688 4.812
4.812 4.938
4.812 4.938
4.875 5.000
4.938 5.062
5.062 5.188
5.188 5.312
68 70
4.250 4.375
4.750 4.875
4.812 4.938
4.938 5.062
5.062 5.188
5.062 5.188
5.125 5.250
5.188 5.312
5.312 5.438
5.438 5.562
72 74
4.500 4.625
5.000 5.125
5.062 5.188
5.188 5.312
5.312 5.438
5.312 5.438
5.375 5.500
5.438 5.562
5.562 5.688
5.688 5.812
76 78
4.750 4.875
5.250 5.375
5.312 5.438
5.438 5.562
5.562 5.688
5.562 5.688
5.625 5.750
5.688 5.812
5.812 5.938
5.938 6.062
80 82
5.000 5.125
5.500 5.625
5.562 5.688
5.688 5.812
5.812 5.938
5.812 5.938
5.875 6.000
5.938 6.062
6.062 6.188
6.188 6.312
84 86
5.250 5.375
5.750 5.875
5.812 5.938
5.938 6.062
6.062 6.188
6.062 6.188
6.125 6.250
6.188 6.312
6.312 6.438
6.438 6.562
88 90
5.500 5.625
6.000 6.125
6.062 6.188
6.188 6.312
6.312 6.438
6.312 6.438
6.375 6.500
6.438 6.562
6.562 6.688
6.688 6.812
MS20004 - MS20014 (Length ± .015)
26
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NAS6303 - NAS6316 Series Specifications A286 Stainless Steel
Bolt, Hex Head, Close Tolerance 160,000 PSI Short Thread
Basic No.
Nominal Thread
Size
C
D DiameterE
Dia Min
H
J
K
Dia
M
N
P
R
Rad
T
TD
Dia
U
Max
W
Min
X
Y
UnplatedBefore
Chrome Plating
Before Cad Plate or
Al Coating
After Plating or Coating
NAS 6303 .1900-32 .3760
.3670.1895 .1890
.1850
.1845.1887.1881
.1895
.1885 .335 .125 .110
.088
.073.056 .046
.174
.154.18 .20
.080
.070.020 .010 .323 .184
.181 .039 .410 .156 .094
NAS 6304 .2500-28 .4390
.4290.2495 .2490
.2450
.2445.2487 .2481
.2495
.2485 .398 .140 .125
.098
.083.056 .046
.180
.160.24 .26
.086
.076.020 .010 .370 .244
.241 .045 .480 .179 .107
NAS 6305 .3125-24 .5020
.4920.3120 .3115
.3075
.3070.3112 .3106
.3120
.3110 .460 .171 .156
.119
.104.080 .070
.192
.172.30 .32
.086
.076.020 .010 .438 .306
.302 .052 .552 .208 .125
NAS 6306 .3750-24 .5640
.5540.3745 .3740
.3700
.3695.3737 .3731
.3745
.3735 .523 .203 .188
.140
.125.080 .070
.193
.173.37 .39
.116
.106.025 .015 .454 .368
.364 .052 .623 .208 .125
NAS 6307 .4375-20 .6900
.6780.4370 .4365
.4325
.4320.4362 .4356
.4370
.4360 .648 .234 .219
.161
.146.080 .070
.209
.189.43 .45
.116
.106.025 .015 .528 .431
.426 .062 .764 .250 .150
NAS 6308 .5000-20 .7520
.7410.4995 .4990
.4950
.4945.4987 .4981
.4995
.4985 .710 .265 .250
.182
.167.080 .070
.208
.188.49 .51
.116
.106.030 .020 .528 .493
.488 .062 .836 .250 .150
NAS 6309 .5625-18 .8770
.8650.5615 .5610
.5570
.5565.5607 .5601
.5615
.5605 .835 .296 .281
.203
.188.080 .070
.217
.197.55 .57
.151
.141.035 .020 .594 .555
.550 .068 .978 .278 .167
NAS 6310 .6250-18 .9400
.9280.6240 .6235
.6195
.6190.6232 .6226
.6240
.6230 .898 .327 .312
.223
.208.080 .070
.217
.197.61 .63
.151
.141.040 .025 .626 .618
.612 .068 1.05 .278 .167
NAS 6312 .7500-16 1.065
1.052.7490 .7485
.7445
.7440.7482 .7476
.7490
.7480 1.023 .390 .375
.265
.250.080 .070
.232
.212.74 .76
.151
.141.045 .030 .666 .743
.737 .078 1.191 .312 .188
NAS 6314 .8750-14 1.252
1.239.8740 .8735
.8695
.8690.8732 .8726
.8740
.8730 1.210 .453 .438
.307
.292.080 .070
.251
.231.87 .89
.151
.141.050 .035 .759 .868
.861 .089 1.405 .357 .214
NAS 6316 1.000-12 1.440
1.427.9990 .9985
.9945
.9940.9982 .9976
.9990
.9980 1.398 .515 .500
.348
.333.080 .070
.274
.254.99
1.01.151 .141
.060
.045 .895 .993 .986 .104 1.619 .417 .250
Material: A-286 per AMS 5731 or AMS 5737. Locking element - plastic per MIL-F-18240 and QPL 18240 Heat Treat: 160 ksi minimum ultimate tensile, 95 ksi minimum ultimate shear.
Finish: Unplated - Passivated to meet requirements of NAS4003 Cadmium plated - Cadmium plate per QQ-P-416, Type II, Class 2. Parts plated to Class 3 may be used until stock depleted. Embrittlement test per QQ-P-416 does not apply. Chromium plated - Chromium plated per QQ-C-320. Class 2 on shank only. All other surfaces cadmium plated. No chromium within .020 of line of tangency of head-to-shank fillet. Chromium in thread runout permitted. Chromium plated bolts not available with grip dash number 1 or 2.
27
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NAS6303 - NAS6316 (Length ± .015) CHART MAY ALSO BE USED FOR NAS6203 THROUGH NAS6216 LENGTH CALCULATIONS
Dash No.
Grip ± .010
NAS6303 .1900-32
NAS6304 .2500-28
NAS6305 .3125-24
NAS6306 .3750-24
NAS6307 .4375-20
NAS6308 .5000-20
NAS6309 .5625-18
NAS6310 .6250-18
NAS6312 .7500-16
NAS6314 .8750-14
NAS6316 1.000-12
1 2 3 4
.062
.125
.188
.250
.385
.448
.511
.573
.432
.495
.558
.620
.500
.563
.626
.688
.516
.579
.642
.704
.590
.653
.716
.778
.590
.653
.716
.778
.656
.719
.782
.844
.688
.751
.814
.876
.728
.791
.854
.916
.821
.884
.947 1.009
.957 1.020 1.083 1.145
5 6 7 8
.312
.375
.438
.500
.635
.698
.761
.823
.682
.745
.808
.870
.750
.813
.876
.938
.766
.829
.892
.954
.840
.903
.966 1.028
.840
.903
.966 1.028
.906
.969 1.032 1.094
.938 1.001 1.064 1.126
.978 1.041 1.104 1.166
1.071 1.134 1.197 1.259
1.207 1.270 1.333 1.395
9 10 11 12
.562
.625
.688
.750
.885
.948 1.011 1.073
.932
.995 1.058 1.120
1.000 1.063 1.126 1.188
1.016 1.079 1.142 1.204
1.090 1.153 1.216 1.278
1.090 1.153 1.216 1.278
1.156 1.219 1.282 1.344
1.188 1.251 1.314 1.376
1.228 1.291 1.354 1.416
1.321 1.384 1.447 1.509
1.457 1.520 1.583 1.645
13 14 15 16
.812
.875
.938 1.000
1.135 1.198 1.261 1.323
1.182 1.245 1.308 1.370
1.250 1.313 1.376 1.438
1.266 1.329 1.392 1.454
1.340 1.403 1.466 1.528
1.340 1.403 1.466 1.528
1.406 1.469 1.532 1.594
1.438 1.501 1.564 1.626
1.478 1.541 1.604 1.666
1.571 1.634 1.697 1.759
1.707 1.770 1.833 1.895
17 18 19 20
1.062 1.125 1.188 1.250
1.385 1.448 1.511 1.573
1.432 1.495 1.558 1.620
1.500 1.563 1.626 1.688
1.516 1.579 1.642 1.704
1.590 1.653 1.716 1.778
1.590 1.653 1.716 1.778
1.656 1.719 1.782 1.844
1.688 1.751 1.814 1.876
1.728 1.791 1.854 1.916
1.821 1.884 1.947 2.009
1.957 2.020 2.083 2.145
21 22 23 24
1.312 1.375 1.438 1.500
1.635 1.698 1.761 1.832
1.682 1.745 1.808 1.870
1.750 1.813 1.876 1.938
1.766 1.829 1.892 1.954
1.840 1.903 1.966 2.028
1.840 1.903 1.966 2.028
1.906 1.969 2.032 2.094
1.938 2.001 2.064 2.126
1.978 2.041 2.104 2.166
2.071 2.134 2.197 2.259
2.207 2.270 2.333 2.395
25 26 27 28
1.562 1.625 1.688 1.750
1.885 1.948 2.011 2.073
1.932 1.995 2.058 2.120
2.000 2.063 2.126 2.188
2.016 2.079 2.142 2.204
2.090 2.153 2.216 2.278
2.090 2.153 2.216 2.278
2.156 2.2192.282 2.344
2.188 2.251 2.314 2.376
2.228 2.291 2.354 2.416
2.321 2.384 2.447 2.509
2.457 2.520 2.583 2.645
29 30 31 32
1.812 1.875 1.938 2.000
2.135 2.198 2.261 2.323
2.1822.245 2.308 2.370
2.250 2.313 2.376 2.438
2.266 2.329 2.392 2.454
2.340 2.403 2.466 2.528
2.340 2.403 2.466 2.528
2.406 2.469 2.532 2.594
2.438 2.501 2.564 2.626
2.478 2.541 2.604 2.666
2.571 2.634 2.697 2.759
2.707 2.770 2.833 2.895
34 36 38 40
2.125 2.250 2.375 2.500
2.448 2.573 2.698 2.823
2.495 2.620 2.745 2.870
2.563 2.688 2.813 2.938
2.579 2.704 2.829 2.954
2.653 2.778 2.903 3.028
2.653 2.778 2.903 3.028
2.719 2.844 2.969 3.094
2.751 2.876 3.001 3.126
2.791 2.916 3.041 3.166
2.884 3.009 3.134 3.259
3.020 3.145 3.270 3.395
42 44 46 48
2.625 2.750 2.875 3.000
2.948 3.073 3.198 3.323
2.995 3.120 3.245 3.370
3.063 3.188 3.313 3.438
3.079 3.204 3.329 3.454
3.153 3.278 3.403 3.528
3.153 3.278 3.403 3.528
3.219 3.344 3.469 3.594
3.251 3.376 3.501 3.626
3.291 3.416 3.541 3.666
3.384 3.509 3.634 3.759
3.520 3.645 3.770 3.895
50 52 54 56
3.125 3.250 3.375 3.500
3.448 3.573 3.698 3.823
3.495 3.620 3.745 3.870
3.563 3.688 3.813 3.938
3.579 3.704 3.829 3.954
3.653 3.778 3.903 4.028
3.653 3.778 3.903 4.028
3.719 3.844 3.969 4.094
3.751 3.876 4.001 4.126
3.791 3.916 4.041 4.166
3.884 4.009 4.134 4.259
4.020 4.145 4.270 4.395
58 60 62 64
3.625 3.750 3.875 4.000
3.948 4.073 4.198 4.323
3.995 4.120 4.245 4.370
4.063 4.188 4.313 4.438
4.079 4.204 4.329 4.454
4.153 4.278 4.403 4.528
4.153 4.278 4.403 4.528
4.219 4.344 4.469 4.594
4.251 4.376 4.501 4.626
4.291 4.416 4.541 4.666
4.384 4.509 4.634 4.759
4.520 4.645 4.770 4.895
66 68 70 72
4.125 4.250 4.375 4.500
4.448 4.573 4.698 4.823
4.495 4.620 4.745 4.870
4.563 4.688 4.813 4.938
4.579 4.704 4.829 4.954
4.653 4.778 4.903 5.028
4.653 4.778 4.903 5.028
4.719 4.844 4.969 5.094
4.751 4.876 5.001 5.126
4.791 4.916 5.041 5.166
4.884 5.009 5.134 5.259
5.020 5.145 5.270 5.395
74 76 78 80
4.625 4.750 4.875 5.000
4.948 5.073 5.198 5.323
4.995 5.120 5.245 5.370
5.063 5.188 5.313 5.438
5.079 5.204 5.329 5.454
5.153 5.278 5.403 5.528
5.153 5.278 5.403 5.528
5.219 5.344 5.469 5.594
5.251 5.376 5.501 5.626
5.291 5.416 5.541 5.666
5.384 5.509 5.634 5.759
5.520 5.645 5.770 5.895
82 84 86 88
5.125 5.250 5.375 5.500
5.448 5.573 5.698 5.823
5.495 5.620 5.745 5.870
5.563 5.688 5.813 5.938
5.579 5.704 5.829 5.954
5.653 5.778 5.903 6.028
5.653 5.778 5.903 6.028
5.719 5.844 5.969 6.094
5.751 5.876 6.001 6.126
5.791 5.916 6.041 6.166
5.884 6.009 6.134 6.259
6.020 6.145 6.270 6.395
90 92 94 96
5.625 5.750 5.875 6.000
5.948 6.073 6.198 6.323
5.995 6.120 6.245 6.370
6.063 6.188 6.313 6.438
6.079 6.204 6.329 6.454
6.153 6.278 6.403 6.528
6.153 6.278 6.403 6.528
6.219 6.344 6.469 6.594
6.251 6.376 6.501 6.626
6.291 6.416 6.541 6.666
6.384 6.509 6.634 6.759
6.520 6.645 6.770 6.895
Intermediate and longer lengths may be specified by use of whole grip dash numbers only. Nominal grip dimension equals grips grip dash number times 0.0625 (rounded to three decimal places). Nominal length equals nominal grip plus “T”.
28
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NAS1102 Series Specifications Screw, Machine Flat 100° Head
Full Thread, Torq-Set
100o ± 1o
Part No. ThreadA
Diameter
B Absolute Min Dia
F
H
Ref.
R
U
Ref.
D Diameter
Max
T
Max
W
Max
Recess Gage Penetration K
E
DiameterMax Min
NAS1102-02 .0860-56 UNJC 3A
.172
.162 .126 .015 .005 .036 .015
.005 .010 .086 .043 .115 .0315 .0225 - -
NAS1102-04 .1120-40 UNJC 3A
.225
.213 .177 .015 .005 .045 .015
.005 .013 .112 .055 .0148 .0405 .0305 - -
NAS1102-06 .1380-32 UNJC 3A
.279
.267 .231 .015 .005 .057 .020
.010 .016 .138 .066 .182 .0500 .0395 - -
NAS1102-08 .1640-32 UNJC 3A
.332
.319 .270 .020 .010 .068 .020
.010 .016 .164 .078 .215 .0595 .0480 .0268 .0240
.2671
.2667
NAS1102-3 .1900-32 UNJF 3A
.385
.371 .322 .020 .010 .080 .020
.010 .016 .190 .090 .248 .0685 .0560 .0290 .0263
.3147
.3143
NAS1102-4 .2500-28 UNJF 3A
.507
.491 .442 .020 .010 .106 .020
.010 .018 .250 .118 .325 .0890 .0750 .0342 .0316
.4245
.4241
NAS1102-5 .3125-24 UNJF 3A
.635
.617 .568 .020 .010 .133 .020
.010 .021 .312 .122 .357 .0860 .0700 .0395 .0370
.5389
.5385
NAS1102-6 .3750-24 UNJF 3A
.762
.742 .694 .020 .010 .160 .020
.010 .021 .375 .145 .427 .1030 .0850 .0450 .0426
.6532
.6528
MATERIAL: Alloy steel, 4140 per MIL-S-5626, 4340 per MIL-S-5000, or 8740 per MIL-S-6049
Cres per AMS5737 (A286), except for heat treatment, designated by “E” code
Titanium alloy (6AL-4V) per AMS4967, designated by “V” code
HEAT TREAT:
Alloy steel - 160,000 - 180,000 psi UTS per MIL-H-6875
Cres- 160,000 psi UTS min. at room temp.
Titanium alloy- 160,000 psi UTS min.
DASH NO. LENGTH TOLERANCE DASH NO. LENGTH TOLERANCE
3 .188 +.000, -.031 18 1.125 +.000, -.062
4 .250 +.000, -.031 20 1.250 +.000, -.062
5 .312 +.000, -.031 22 1.375 +.000, -.062
6 .375 +.000, -.031 24 1.500 +.000, -.062
7 .438 +.000, -.031 26 1.625 +.000, -.062
8 .500 +.000, -.031 28 1.750 +.000, -.062
10 .625 +.000, -.031 30 1.875 +.000, -.062
12 .750 +.000, -.031 32 2.000 +.000, -.062
14 .875 +.000, -.03134 TO 96 2.125 TO
6.000 +.000, -.09416 1.000 +.000, -.031
LENGTH CHART
PART NUMBER ALLOY STEEL CRES (160 KSI) Ti (6AL-4V)
NAS1102-02 591
NAS1102-04 966
NAS1102-06 1,450
NAS1102-08 2,240
NAS1102-3 3,180
NAS1102-4 5,820
NAS1102-5 9,200
NAS1102-6 14,000
MIN. TENSILE STRENGTH, Lbs.
29
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Aerospace Bolt Interchange
Hex Head 125,000 psi tensile / 75,000 psi shear AN3: alloy steel, 450oF AN3C: stainless steel, 450oF
160,000 psi tensile / 95,000 psi shear NAS1103: alloy steel, 450oF NAS6703: A286 stainless, 1200oF NAS6203: alloy steel, 450oF NAS653: titanium alloy, 500oF NAS1303: alloy steel, 450oF NAS673: titanium alloy, 500oF NAS6603: alloy steel, 450oF NAS6403: titanium alloy, 500oF NAS6303: A286 stainless, 1200oF NAS6803: titanium alloy, 500oF
Supersedence Commonly Accepted Interchanges NAS1103 to NAS6203 NAS1103, NAS6203 NAS1303 to NAS6603 NAS1303, NAS6603
Internal Wrenching Head 12 Point Head 160,000 psi tensile / 96,000 psi shear NAS144: alloy steel, 450oF (internal wrenching) MS20004: alloy steel, 450oF (internal wrenching)
180,000 psi tensile / 108,000 psi shear NAS624: alloy steel, 450oF (12 point) MS21250: alloy steel, 450oF (12 point)
Supersedence Commonly Accepted Interchanges NAS144 to MS20004 NAS624 and MS21250 NAS144 and MS20004
Thread Sizes & Nominal Thread Lengths Chart Note: “x” or “xx” represents diameter number; all dimensions are in inches
The following charts detail material specifications, strength & temperature ratings, nominal thread lengths, & updates/interchanges of the most commonly used aerospace bolt series.
Dia. #
Thread Size
Alloy Steel A286 Stainless 6AL4V Titanium Alloy Alloy Steel
11xx 62xx 13xx 66xx 63xx 67xx 65x 67x 64xx 68xx ANx MS2000x MS21250 NAS62x3 .190-32 .276 .323 .338 .345 .323 .345 .276 .338 .323 .345 .406 N/A .420 N/A4 .250-28 .316 .370 .425 .425 .370 .425 .316 .425 .370 .425 .469 .475 .492 .4855 .3125-24 .375 .438 .469 .469 .438 .469 .375 .469 .438 .469 .531 .537 .579 .5726 .375-24 .391 .454 .578 .578 .454 .578 .391 .578 .454 .578 .641 .662 .625 .6197 .4375-20 .453 .528 .594 .694 .528 .694 .453 .594 .528 .694 .656 .787 .721 .6948 .500-20 .453 .528 .735 .735 .528 .735 .453 .735 .528 .735 .781 .787 .768 .7419 .563-18 .511 .594 .840 .840 .594 .840 - - .594 .840 .906 .850 .852 .826
10 .625-18 .543 .626 .902 .902 .626 .902 - - .626 .902 .953 .912 .899 .873
12 .750-16 .572 .666 1.041 1.041 .666 1.041 - - .666 1.041 1.093 1.037 1.036 .993
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Torque & Fastener Matching Information
In most race car chassis and aircraft airframe applications, the bolts used are loaded in shear. The torque values given in the NAS torque chart (opposite page) are adequate and appropriate for this type of usage. For aerospace bolt applications subjected to high tensile loadings and for aerospace nuts and bolts matched to fasteners of other grades and thread classes, see the notes below:
A) For applications requiring high installation torque values and using standard NAS bolts: achievable torque is dependent on plating, length of thread engagement, class of mating threads and lubricant (if any). For maximum fatigue resistance and clamping force in the bolted assembly, we want to produce a level of installed tensile stress that is just below the yield strength of the bolt material (typically around 85% of the ultimate tensile strength). Achieving this ensures that the stresses encountered in the assembly/tightening process will be the most the bolt ever sees. At the yield point, the bolt will undergo “plastic” deformation (permanent stretch). Bolts for critical applications should be test-torqued to determine the point of measurable permanent stretch. As a rule, approximately 90% of this value will give the best performance in a bolted assembly. Example: ’93 INDY-LOLA ring gear bolts NAS 1307-4H – with light lubrication, these bolts stretch permanently on a consistent basis between 105 and 110 ft/lbs of installed torque. 90% of this value gives an assembly torque of 95 ft/lbs. B) The mating of aerospace spec (MS•NAS•AN) bolts and nuts to fasteners of other specifications and thread classes can cause problems. Nut splitting failures are primarily caused by overtorquing and/or thread class mismatches. Generally, NAS wrenching torque values should be reduced when aerospace nuts are matched with non-aerospace bolts or studs. Wrench torque values in the NAS nut tables below are achieved under laboratory conditions using aerospace spec bolts (Class 3 threads) of higher strength than the nuts they are mated to. THE TABLES DO NOT STATE, NOR SHOULD ONE INFER THAT THIS PERFORMANCE CAN BE DUPLICATED WITH OTHER TYPES OF FASTENERS AND/OR CLASSES OF THREADS. For applications requiring high clamping forces, 12 point nuts should be used whenever possible. Their greater thread contact area and higher rated strength make higher wrenching torque values possible. As a general rule, the wrenching torque values for aerospace spec nuts should be reduced approximately 25% as a starting point when these nuts are mated to non-aerospace bolts or studs.
NUT SIZE WRENCH TORQUE, INCH POUNDS 160 KSI NAS NUTS *
WRENCH TORQUE, INCH POUNDS180 & 220 KSI NAS NUTS *
#6 - 32 20 N/A#8 - 32 30 N/A#10 - 32 60 70 / 851/4 - 28 150 170 / 2105/16 - 24 330 370 / 4503/8 - 24 530 600 / 7307/16 - 20 825 880 / 11001/2 - 20 1125 1225 / 1400
9/16 - 18 1550 1700 / 20005/8 - 18 2000 2200 / 26003/4 - 16 N/A 3800 / 4400
* Above values for alloy steel nuts. For A286 stainless multiply them by 0.694
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Recommended Torque Values for Nut & Bolt Combinations for shear loads without lubrication
• Shortening, drilling, grinding, machining, thread rolling of standard AN•MS•NAS fasteners to your print or specifications.• Small quantities / short lead times: ideal for prototypes and emergencies• All processing by approved and certified vendors to AN•MS•NAS procedures and tolerances • Contact us for technical assistance and recommendations.
Customized & Modified Aircraft & Aerospace Bolts
Steel Tension Bolts Steel Tension Bolts Aluminum BoltsAN3 through AN20 AN42 through AN49 AN73 through AN81
MS20033 through MS20046 MS20073 and MS20074
AN509 AN525
MS24694 and MS27039
MS20004 through MS20024 NAS144 through NAS158 NAS333 through NAS340 NAS583 through NAS590 NAS624 through NAS644
NAS1303 through NAS1320 NAS172 and NAS174
NAS517
AN3DD through AN20DD AN173DD through AN186DD
AN509DD AN525DD MS27039D
MS24694DD
Steel Nuts Steel Nuts Aluminum NutsTension Shear Tension Shear Tension Shear
AN310 & AN315 AN363 & AN365
NAS1021 MS20365 MS21042 MS21045 NAS679
AN320 AN364
NAS1022 MS17826 MS20364
AN310 & AN315 AN363 & AN365
NAS1021 MS20365 MS21042 MS21045 NAS679
AN320 AN364
NAS1022 MS17826 MS20364
AN310D AN365D
NAS1021D
AN320D AN364D
NAS1022D
Torque Limits for Fine Threaded Series in Inch-PoundsSe-ries From To From To From To From To From To From To
#8-36 #10-32
12 20
15 25
7 12
9 15
25
30
15
20
5 10
10 15
3 5
6 10
1/4-28 5/16-24
50 100
70 140
30 60
40 85
80 120
100 145
50 70
60 90
30 40
45 65
15 25
30 40
3/8-24 7/16-20
160450
190 500
95 270
110 300
200 520
250 630
120 300
150 400
75 180
110 280
45 110
70 170
1/2-20 9/16-18
480 800
690 1000
290 480
410 600
770 1100
950 1300
450 650
550 800
280 380
410 580
160 230
260 360
5/8-18 3/4-16
1100 2300
1300 2500
660 1300
780 1500
1250 2650
1550 3200
750 1600
950 1900
550 950
670 1250
270 560
420 880
7/8-14 2500 3000 1500 1800 3550 4350 2100 2600 1250 1900 750 1200
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Nuts
AN364 / 365 NYLON INSERT LOCKNUTSThese are the most common and inexpensive self-locking aircraft nuts. Almost infinitely reusable, tensile strength rated at 125,000 psi with a 250°F temperature rating. Thin pattern (AN364) nuts should only be used in shear load applications.
AN315 / 316 NON-LOCKING CHECKNUTS (JAMNUTS)These free-spinning low profile nuts are used to lock rod ends and other threaded components into position. Available in right and left handed threads. Gold cad plated steel. MS21042 / NAS1291 REDUCED DIMENSION ALL METAL LOCKNUTS (JETNUTS AND KAYNUTS) These nuts feature a good combination of light weight and high strength (160,000 psi tensile). Available in steel (450°F) and stainless (900°F). See p. 30 for torquing information.
HM14 / PH135M REDUCED DIMENSION ALL METAL METRIC LOCKNUTS (JETNUTS AND KAYNUTS)Identical to MS21042 / NAS1291 in strength and configuration, but with metric sizing. Stocked in steel (450°F) only; moly coated (grey). Stainless steel (900°F) are available on special order.
H93 / NAS1804 & H20 / BACN10HR TWELVE POINT ALL METAL LOCKNUTSFor use in high strength or extremely critical applications. H93 / NAS1804 nuts have a minimum tensile strength of 180,000 psi; H20 / BACN10HR nuts have a minimum tensile strength of 220,000 psi. Twelve point nuts are available in steel (450°F) and stainless (to 1200°F). Metric sizes available on special order. See pg. 30 for torquing information.
KFN542 / HW14 ATTACHED WASHER ALL METAL LOCKNUTSThese nuts are used where reduced space or shortened assembly time makes the attached washer desirable (i.e. gear box covers, cam covers, CV joints). High strength (160,000 psi) alloy steel (450°F). Some metric sizes available on special order.
Self-locking nuts are available in combinations of configurations and specifications too numerous to document here. We can recommend and supply a nut for whatever performance requirements you have.
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AN364 Series Specifications Nut - Self Locking, Thin, 250°F
Dash NumbersTAP
TA
± .016
B +.002 -.010Steel Copper Base
AlloyAluminum
AlloyFINE THREAD
1032 B1032 D1032 #10-32 NF-3 0.172 0.375428 B428 D428 1/4-28 NF-3 0.203 0.438524 B524 D524 5/16-24 NF-3 0.250 0.500624 B624 D624 3/8-24 NF-3 0.266 0.563720 B720 D720 7/16-20 NF-3 0.312 0.625820 B820 D820 1/2-20 NF-3 0.312 0.750918 B918 D918 9/16-18 NF-3 0.359 0.875
1018 B1018 D1018 5/8-18 NF-3 0.391 0.9381216 B1216 D1216 3/4-16 NF-3 0.406 1.0631414 B1414 D1414 7/8-14 NF-3 0.469 1.2501614 B1614 D1614 1-14 NF-3 0.562 1.4381812 B1812 D1812 1 1/8-12 NF-3 0.656 1.625
2012 B2012 D2012 1 1/4-12 NF-3 0.750 1.813
COARSE THREAD632 - D632 #6-32 NC-2 0.125 0.312832 - D832 #8-32 NC-2 0.172 0.344
All dimensions are in inches.
(a) Minimum A not specified. Limited only by strength requirement of specification. For definition and application of drawing status note see ANA bulletin No. 337. Add “A” after dash number for nuts having non-metallic inserts. Add “C” after dash number for nuts fabricated entirely from metal.
Examples of part numbers:AN364-428 = 1/4-28 steel nut, either all metal or with non-metallic insert. AN364D428 = 1/4-28 aluminum alloy nut, either all metal or non-metallic insert. AN364B428A = 1/4-28 copper base alloy nut with non-metallic insert. AN364-428C = 1/4-28 steel nut, all metal.
For installation instructions, see drawing AND10068.
Dash NumbersTAP
TA
± .016
B + .002 - .010Steel Copper
Base AlloyAluminum
AlloyFINE THREAD
1032 B1032 D1032 #10-32 NF-3 0.234 0.380428 B428 D428 1/4-28 NF-3 0.312 0.438524 B524 D524 5/16-24 NF-3 0.344 0.500624 B624 D624 3/8-24 NF-3 0.453 0.563720 B720 D720 7/16-20 NF-3 0.453 0.625820 B820 D820 1/2-20 NF-3 0.594 0.750918 B918 D918 9/16-18 NF-3 0.688 0.875
1018 B1018 D1018 5/8-18 NF-3 0.750 0.9381216 B1216 D1216 3/4-16 NF-3 0.875 1.0631414 B1414 D1414 7/8-14 NF-3 1.000 1.2501614 B1614 D1614 1-14 NF-3 1.125 1.4381812 B1812 D1812 1 1/8-12 NF-3 1.250 1.6252012 B2012 D2012 1 1/4-12 NF-3 1.438 1.813
COARSE THREAD440 B440 D440 #4-40 NC-2 0.141 0.250632 B632 D632 #6-32 NC-2 0.172 0.312832 B832 D832 #8-32 NC-2 0.234 0.344
All dimensions are in inches.
(a) Minimum A not specified. Limited only by strength requirement of specification. For definition and application of drawing status note see ANA bulletin No. 337. Add “A” after dash number for nuts having non-metallic inserts. MS20365 parts and AN365 parts of like dash numbers are universally, functionally, and dimensionally interchangeable. Add “C” after dash number for nuts fabricated entirely from metal.
Examples of part numbers:AN365-428 = 1/4-28 steel nut, either all metal or with non-metallic insert. AN365D428 = 1/4-28 aluminum alloy nut, either all metal or non-metallic insert. AN365B428A = 1/4-28 copper base alloy nut with non-metallic insert. AN365-428C = 1/4-28 steel nut, all metal.
For installation instructions, see drawing AND10068.
AN365 Series Specifications Nut - Self Locking, 250°F
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AN316 Series Specifications Nut, Jam, Hexagon
Part No. Thread T Ultimate Tensile Strength, Min, Lbs
A Dimension
A Tolerance
B Approx. H
AN315-3 #10-32 UNF-3B 2,210 .375 +.002 -.000 .438 .141
AN316-4 1/4-28 UNF-3B 2,040 .438 +.002 -.010 .500 .125
AN316-5 5/16-24 UNF-3B 3,250 .500 +.002 -.010 .578 .156
AN316-6 3/8-24 UNF-3B 5,050 .563 +.002 -.010 .656 .188
AN316-7 7/16-20 UNF-3B 6,800 .625 +.002 -.011 .719 .219
AN316-8 1/2-20 UNF-3B 9,250 .750 +.002 -.012 .875 .250
AN316-9 9/16-18 UNF-3B 11,800 .875 +.002 -.012 1.016 .281
AN316-10 5/8-18 UNF-3B 15,050 1.000 +.002 -.014 1.156 .313
AN316-12 3/4-16 UNF-3B 22,000 1.125 +.002 -.016 1.297 .375
AN316-14 7/8-14 UNF-3B 30,000 1.313 +.002 -.017 1.516 .438
AN316-18 1-12 UNF-3B 40,350 1.500 +.002 -.019 1.734 .500
All dimensions are in inches. Unless otherwise specified, tolerances: ± .015; angles ± 1o
MATERIAL: Steel and corrosion-resistant steel. See procurement specification.
FINISH: Steel cadmium plate in accordance with QQ-P-416, type II, class 2. Corrosion-resistant steel - passivate in accordance with QQ-P-35. Add “C” before dash number for corrosion-resistant steel nuts Add “R” after dash number for right-hand thread Add “L” after dash number for left-hand thread Example of part numbers: AN316-7R = nut, steel, 7/16-20 UNF-3, right-handed thread AN316-7L = nut, steel, 7/16-20 UNF-3, left-handed thread AN316C7L = nut, corrosion-resistant steel, 7/16-20 UNF-3, left-handed thread For sizes smaller than 1/4, use nut AN315.
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MS21042 / NAS1291 Series Specifications Nuts, Self-locking, 450°, Reduced Hexagon, Reduced
Height, Ring Base, Non-Corrosion Resistant Steel
Size Dash No.
Thread aA
Max
B
Min
C
Min
D E d
Min
F e
Min
G H J
Min
W c X b+
Axial f
Strength Min, lb
Weight lb/100 Max
Wrenching Torque Test f Value, in-lbMax Min Max Min Max Min Max Min
02 2-56 UNC-3B .167 .137 .138 .106 .086 .045 .019 .021 .004 .100 .080 .010 .127 .122 .0025 660 .020 5
04 4-40 UNC-3B .206 .176 .171 .142 .112 .050 .028 .027 .005 .125 .103 .010 .158 .150 .003 1110 .050 10
06 6-32 UNC-3B .244 .214 .207 .168 .138 .055 .039 .031 .006 .141 .115 .010 .190 .181 .003 1670 .080 20
08 8-32 UNC-3B .290 .260 .244 .194 .164 .060 .041 .031 .006 .188 .125 .015 .221 .213 .003 2490 .150 30
3 10-32 UNF-3B .330 .290 .277 .220 .190 .065 .043 .031 .006 .188 .154 .015 .252 .243 .003 3470 .180 60
4 1/4-28 UNF-3B .420 .386 .347 .280 .250 .090 .057 .036 .007 .219 .204 .019 .316 .304 .003 6200 .350 150
5 5/16-24 UNF-3B .520 .482 .419 .342 .312 .120 .077 .042 .008 .266 .251 .023 .378 .367 .004 9820 .600 330
6 3/8-24 UNF-3B .620 .575 .491 .405 .375 .125 .089 .042 .008 .282 .267 .030 .440 .430 .004 15200 .800 530
7 7/16-20 UNF-3B .708 .680 .562 .467 .437 .160 - - - .328 .313 .035 .504 .494 .004 20600 1.30 825
8 1/2-20 UNF-3B .814 .786 .633 .530 .500 .225 - - - .410 .350 .040 .566 .556 .004 27500 2.10 1125
9 9/16-18 UNF-3B .912 .874 .775 .592 .562 .320 - - - .480 .420 .045 .692 .680 .004 34800 3.60 1550
10 5/8-18 UNF-3B 1.014 .976 .846 .655 .625 .365 - - - .550 .490 .050 .755 .743 .004 43600 4.50 2000
All dimensions in inches; nuts dash size 7 and larger use NAS1291 prefix, stainless steel nuts use NAS1291C designation. (a) Threads in accordance with MIL-S-7742 before lubrication (b) Bearing surface shall be square with pitch diameter within X when measured in accordance with MIL-N-25027 (c) Dimension across flats includes deformation of locking device (d) Minimum length of each wrenching corner (e) Minimum distance from the washer face of the nut to the beginning of the minimum length E of each wrenching corner (f) For alloy steel nuts. For A286 nuts multiply these values by .694 Material: Alloy steel or A286 corrosion resistant steel (NAS1291C designation) Plating: Plain cadmium-plated nuts in accordance with QQ-P-416, Type II, Class 3. Dry film lubricated nuts in accordance with QQ-P-416. NAS1291C designation nuts: silver plate per AMS2410 Lubricant: Dry film lubricant approved in accordance with MIL-N-25027. Other lubricants soluble in the cleaner specified in procurement specification. For USAF ap-plications, nuts treated with dry film lubricants shall not be utilized in integral fuel tanks. Hardness: Rockwell C49 maximum (alloy steel nuts) Break all sharp edges and remove all hanging burrs and slivers which might become dislodged under usage. Surface roughness in accordance with MIL-STD-10. Unless otherwise specified the surface roughness shall not exceed 125 uin. These nuts shall be used in accordance with the limitations of MS33588.
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PH135 Metric Jetnuts Series Specifications *All dimensions are in millimeters
Part Number D Thread
Ah12
B Max
C Min
E Max
F Min
G Min
H Max
Weight,kg/100
3PH135M M3x0.50-4H5H 4 6.0 0.4 0.06 5.3 4.2 3.0 0.028
4PH135M M4x0.70-4H5H 5 7.4 0.5 0.08 6.7 5.3 4.0 0.050
5PH135M M5x0.80-4H5H 6 9.1 0.6 0.08 8.3 6.5 5.0 0.080
6PH135M M6x1.00-4H5H 7 10.6 0.7 0.08 9.8 7.6 5.4 0.115
8PH135M M8x1.25-4H5H 10 13.6 1.1 0.09 12.8 10.9 7.0 0.315
8100PH135M MJ8x1.00-4H5H 10 13.6 1.1 0.09 12.8 10.9 7.0 0.315
10PH135M M10x1.50-4H5H 12 16.8 1.3 0.10 15.8 13.2 8.5 0.475
10125PH135M MJ10x1.25-4H5H 12 16.8 1.3 0.10 15.8 13.2 8.5 0.475
12PH135M M12x1.50-4H5H 14 19.9 2 0.13 18.8 15.5 10.5 1.000
12125PH135M MJ12x1.25-4H5H 14 19.9 2 0.13 18.8 15.5 10.5 1.000
14PH135M M14x1.50-5H 16 23.0 2 0.15 21.9 17.9 12.0 1.180
CODE 35MMATERIAL 35CD4S
HARDNESS 46-49HRC
SURFACE TREATMENT Cadmium Plating 5 µm mini + MOS2
STRENGTH CLASS @ 20OC 160,000 psiTEMPERATURE CLASS 450oF
THREAD CODE PROFILE TOLERANCES MARKINGISO M NFL 05220
AICMA 0501ANFL 05224 AICMA 2011A
SD
MJ (08 - 10 - 12)
MJ ISO 5855 ISO 5855 MJ - SD
SOME SIZES AVAILABLE IN HIGH TEMPERATURE (900OF) CONFIGURATION: A286 MATERIAL, SILVER PLATED.
CONTACT US FOR DETAILS.
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H20: 220ksi strength MATERIAL: Alloy steel, heat treated FINISH: Cadmium plated per Fed. Spec. QQ-P-416, Type II plating. Kaylube molybdenum disulfide dry lubricant coated after plating.
PROCEUREMENT SPEC: MIL-N-25027, except for axial tensile strength, as tabulated, is equivalent to 220,000 psi, at the pitch of the diameter, and will be obtained when tested on bolts or screws having a minimum tensile strength of 240,000 psi.
TEMPERATURE RANGE: To 450°F.
APPLICATION: The H20 series may be used with bolts having tensile strengths through 220,000 psi minimum that require high fatigue life in use. In addition, the increased minimum minor diameter of the H20 threads allow use with bolts having controlled thread root radius per MIL-S-8879. For lightweight reduced wrench version, see H23 series.
Part Number Thread MIL-S-8879
C Min
H Max
L Max
P Min
TRef
W Bearing Surface Squareness Axial Tensile Strength Lbs., Min
Approx Weight Lbs./100
H20-4 .2500-28 UNJF-38 .491 .359 .460 .100 .045 .376-.367 .003 8900 0.64
H20-5 .3125-24 UNJF-38 .491 .421 .560 .125 .050 .439-.430 .004 14100 1.00
H20-6 .3750-24 UNJF-38 .561 .468 .670 .155 .060 .502-.492 .005 20900 1.50
H20-7 .4375-20 UNJF-38 .631 .531 .770 .165 .075 .564-.553 .005 28300 2.10
H20-8 .5000-20 UNJF-38 .706 .578 .870 .180 .080 .627-.616 .005 37800 2.80
H20-9 .5625-18 UNJF-38 .775 .633 .950 .205 .090 .690-.679 .006 47900 3.60
H20-10 .6250-18 UNJF-38 .881 .687 1.050 .235 .100 .783-.772 .006 59900 5.00
H20-12 .7500-16 UNJF-38 1.059 .796 1.250 .310 .120 .940-.928 .009 86900 8.80
H20-14 .8750-14 UNJF-38 1.200 .968 1.438 .345 .140 1.064-1.052 .010 119000 12.50
NAS 1804: 180000 psi strength MATERIAL: Alloy steel, heat treated.
FINISH: Cadmium plated per Fed. Spec. QQ-P-416, Type II plating. Kaylube molybdenum disulfide dry lubricant coated after plating.
PROCUREMENT SPEC: MIL-N-25027, except for axial tensile strength, as tabulated, is equivalent to 180,000 psi, at the pitch of the diameter, and will be obtained when tested on bolts or screws having a minimum tensile strength of 200,000 psi.
TEMPERATURE RANGE: To 450°F.
APPLICATION: For light weight reduced wrench version, see H23 series. For socket wrench that may be used with high strength nuts, see the WS15.
Part Number Thread MIL-S-8879
B Min
CMin
D H Max
LMax
P Min
TRef
W Bearing Surface Squareness
Axial Tensile Strength Lbs., Min
NAS1804-4 .2500-28 UNJF-38 .394 .348 .280-.250 .250 .434 .082 .020 .313-.305 .003 7270
NAS1804-5 .3125-24 UNJF-38 .492 .420 .342-.312 .285 .532 .120 .035 .376-.367 .004 11500
NAS1804-6 .3750-24 UNJF-38 .591 .490 .405-.375 .375 .631 .130 .056 .439-.430 .004 17100
NAS1804-7 .4375-20 UNJF-38 .689 .633 .473-.438 .438 .729 .164 .069 .564-.553 .005 23200
NAS1804-8 .5000-20 UNJF-38 .788 .704 .535-.500 .500 .828 .190 .074 .627-.616 .005 30900
NAS1804-9 .5625-18 UNJF-38 .886 .775 .597-.562 .562 .928 .230 .079 .690-.679 .005 39100
NAS1804-10 .6250-18 UNJF-38 .984 .846 .660-.625 .625 1.024 .250 .084 .752-.741 .006 49100
NAS1804-12 .7500-16 UNJF-38 1.181 1.059 .785-.750 .750 1.221 .310 .094 .940-.928 .007 71000
NAS1804-14 .8750-14 UNJF-38 1.378 1.200 .990-.875 .875 1.418 .350 .109 1.064-1.052 .008 97000
There are numerous series and configurations of 12 point self-locking nuts available. Nuts of 180,000 psi and 220,000 psi strength levels are the most commonly specified. For illustrative purposes, the NAS 1804 series (180,000 psi) and the Kaynar H2O series (220,000 psi) are shown below. PLEASE ADVISE IF YOUR ENVELOPE REQUIREMENTS DIFFER.
12-Point Nut Series Specifications
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6 Point Captive Washer Series Specifications KFN542 Attached Washer Nuts
-9 THROUGH -1612 CONFIGURATION: DOUBLE HEX NUT; -06 THROUGH -8 CONFIGURATION: HEX NUTPart Number Threads
Per MIL-S-8879A
MaxC
MinD H
MaxM P
MaxW Axial Tensile Strength
Lb MinApprox Weight
Lbs/100
KFN542-06 .1380-32UNJC-3B .320 .207 .176 .171
.200 .097 .087
.181 .189 .181
1,900 .10
KFN542-08 .1640-32UNJC-3B .340 .242 .202 .197
.240 .097 .087
.207 .220 .212
2,800 .17
KFN542-836 .1640-36UNJF-3B .340 .242 .202 .197
.220 .097 .087
.207 .220 .212
2,800 .17
KFN542-3 .1900-32UNJF-3B .363 .277 .228 .223
.243 .097 .087
.233 .251 .243
3,470 .24
KFN542-4 .2500-28UNJF-3B .460 .348 .288 .283
.280 .097 .087
.293 .313 .306
6,200 .47
KFN542-5 .3125-24UNJF-3B .560 .419 .352 .347
.340 .097 .087
.357 .376 .367
9,800 .78
KFN542-6 .3750-24UNJF-3B .660 .491 .417 .412
.355 .097 .087
.422 .439 .430
13,000 .93
KFN542-7 .4375-20UNJF-3B .760 .561 .484 .479
.400 .097 .087
.489 .502 .492
18,000 1.44
KFN542-8 .5000-20UNJF-3B .860 .631 .551 .546
.430 .097 .087
.556 .564 .553
24,000 1.94
KFN542-9 .5625-18UNJF-3B 1.005 .700 .640 .635
.530 .115 .105
.645 .627 .616
33,000 3.08
KFN542-10 .6250-18UNJF-3B 1.100 .846 .710 .705
.575 .115 .105
.715 .752 .741
43,000 5.00
KFN542-12 .7500-16UNJF-3B 1.310 .987 .845 .840
.670 .125 .115
.850 .877 .865
61,000 7.88
KFN542-14 .8750-14UNJF-3B 1.480 1.130 .985 .980
.770 .145 .135
.990 1.002 .990
73,900 11.45
KFN542-1612 1.000-12UNJF-3B 1.690 1.271 1.125 1.120
.870 .165 .155
1.130 1.127 1.115
85,700 16.00
MATERIAL: Nut - Alloy steel per MIL-S-6049 (8740), MIL-S-5000 (4340), or MIL-S-5626 (4140) Washer - Carbon steel
HEAT TREAT: Nut - Rc 39-43 per MIL-H-6875 Washer - Rc 40-45 FINISH: KFN542-(*) - Nut and washer - Cadmium plated per QQ-P-416, Type II, Class 2. (-836 size finish: Cadmium plated per QQ-P-416, Type II, Class 2, plus olive drab chromate finish for identification purposes)
PERFORMANCE: KFS1009, except axial tensile strength as tabulated APPLICATION: For use on standard to .032 oversize shank bolts PACKAGING: Parts are normally supplied in bulk packaging. Add “S” after dash number for spindle packaged nuts for use with K-Fast tools (-836 through -5 sizes only). Example: KFN542-3S NOTES: “C” and “W” dimensions apply before forming self-locking feature.
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Nutplates
Nutplates are used in blind mount applications where hex nuts are impractical or where an attached nut makes maintenance or disassembly easier. Floating nutplates are extremely useful in applications where misalignment and/or size is a problem (body panels, skirts, spoilers, etc.)
MS21047
MS21047: two lug, low height, steel, 450oF, self-locking
MS21051
MS21055
MS21059
MS21061
MS21069
MS21071
MS21073
MS21075
MS21051: one lug, low height, steel, 450oF, self-locking
MS21055: corner, low height, steel, 450oF, self-locking
MS21059: two lug, low height, steel, 450oF, self-locking, floating
MS21061: one lug, low height, steel, 450oF, self-locking, floating
MS21069: two lug, low height, steel, 450oF, self-locking, reduced rivet spacing
MS21071: one lug, low height, steel, 450oF, self-locking, reduced rivet spacing
MS21073: corner, low height, steel, 450oF, self-locking, reduced rivet spacing
MS21075: two lug, low height, steel, 450oF, self-locking, floating and reduced rivet spacing
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
MS21047 Nutplate Series Specifications
Part Number Thread (MIL-S-8879)
AMax
B Ref
C ± .005
DMin
G ± .001
H Max
J ± .002
K + .005 - .000
V Max
W Max
Approx Weight Lbs/100
MS21047-06 .1380-32 UNJC-3B .948 .215 .344 - .200 .145 .688 .098 .032 .265 .14
MS21047-08 .1640-32 UNJC-3B .948 .215 .344 .168 .200 .215 .688 .098 .032 .297 .19
MS21047-3 .1900-32 UNJF-3B .948 .215 .344 .194 .200 .220 .688 .098 .032 .328 .22
MS21047-4 .2500-28 UNJF-3B 1.260 .215 .500 .254 .200 .281 1.000 .098 .040 .414 .43
MS21047-5 .3125-24 UNJF-3B 1.292 .265 .500 .317 .230 .328 1.000 .130 .050 .505 .68
MS21047-6 .3750-24 UNJF-3B 1.292 .265 .500 .379 .230 .344 1.000 .130 .055 .614 .87
MS21047-7 .4375-20 UNJF-3B 1.477 .327 .562 .442 .230 .390 1.125 .161 .074 .719 1.65
MATERIAL: C1050 carbon steel per AMS 5085 (UNS G10500) or 8740 alloy steel per AMS 6322 (UNS G87400) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-46010 PERFORMANCE: MIL-N-25027
MS21055 Nutplate Series Specifications
MATERIAL: Carbon steel per AMS 5085 (UNS G10500) or alloy steel per AMS 6322 (UNS G8740) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-46010 PERFORMANCE: MIL-N-25027
Part Number Thread (MIL-S-8879)
AMax
B Ref
C ± .002
DMin
E Ref
G ± .010
H Max
J ± .002
K + .005 - .000
V Ref
Approx Weight Lbs/100
MS21055-06 .1380-32 UNJC-3B .637 .250 .486 - .133 .200 .145 .344 .098 .032 .20
MS21055-08 .1640-32 UNJC-3B .637 .250 .486 .168 .149 .200 .215 .344 .098 .032 .24
MS21055-3 .1900-32 UNJF-3B .653 .250 .486 .194 .164 .200 .220 .344 .098 .032 .25
MS21055-4 .2500-28 UNJF-3B .852 .250 .707 .254 .207 .200 .281 .500 .098 .040 .50
MS21055-5 .3125-24 UNJF-3B .914 .322 .707 .317 .253 .230 .328 .500 .130 .050 .77
MS21055-6 .3750-24 UNJF-3B .968 .322 .707 .379 .307 .230 .344 .500 .130 .055 .95
MS21055-7 .4375-20 UNJF-3B 1.101 .342 .795 .442 .363 - .390 .562 .161 .074 1.68
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
MS21059 Nutplate Series Specifications
MS21061 Nutplate Series Specifications
MATERIAL: C1050 carbon steel per AMS 5085 (UNS G10500). Heat treat - Rc 49, maximum FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per MIL-L-46010
FLOATABILITY: .030 minumum radially from center
Part Number Thread (MIL-S-8879)
A Max
C ±.005
D Min
G±.010
H Max
J ±.005
K +.005 -.000
P REF
V REF
W Max
Approx Weight Lbs/100
MS21059-04 .1120-40 UNJC-3B .948 .344 - .200 .153 .688 .098 .250 .020 .416 .31
MS21059-06 .1380-32 UNJC-3B .948 .344 - .200 .170 .688 .098 .250 .020 .416 .34
MS21059-08 .1640-32 UNJC-3B .948 .344 .168 .200 .250 .688 .098 .250 .020 .416 .36
MS21059-3 .1900-32 UNJF-3B .948 .344 .194 .200 .250 .688 .098 .250 .020 .416 .37
MS21059-4 .2500-28 UNJF-3B 1.292 .500 .254 .200 .281 1.000 .098 .312 .020 .516 .66
MS21059-5 .3125-24 UNJF-3B 1.292 .500 .317 .230 .328 1.000 .130 .375 .025 .609 1.09
MS21059-6 .3750-24 UNJF-3B 1.292 .500 .379 .230 .344 1.000 .130 .437 .025 .680 1.33
MATERIAL: Carbon steel per AMS 5085 (UNS G10500) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-46010 PERFORMANCE: MIL-N-25027 FLOATABILITY: -06 through -4: .030 minimum radially from center -5 & up: .025 minimum radially from center
Part Number
Thread (MIL-S-8879)
AMax
B REF
C =/-.005
D Min
E REF
G ±.010
H Max
J ±.002
K +.005 -.000
P REF
R REF
V REF
W Max
Approx Weight Lbs/100
MS21061-04 .1120-40 UNJC-3B 1.051 .328 .344 - .275 .200 .160 .312 .098 .250 .130 .025 .422 .36
MS21061-06 .1380-32 UNJC-3B 1.051 .328 .344 - .275 .200 .175 .312 .098 .250 .130 .025 .422 .38
MS21061-08 .1640-32 UNJC-3B 1.051 .328 .344 .168 .275 .200 .250 .312 .098 .250 .130 .025 .422 .50
MS21061-3 .1900-32 UNJF-3B 1.051 .328 .344 .194 .275 .200 .250 .312 .098 .250 .130 .025 .422 .50
MS21061-4 .2500-28 UNJF-3B 1.306 .359 .500 .254 .364 .200 .281 .312 .098 .312 .130 .025 .531 .82
MS21061-5 .3125-24 UNJF-3B 1.396 .391 .500 .317 .440 .230 .328 .312 .130 .375 .141 .025 .641 1.45
MS21061-6 .3750-24 UNJF-3B 1.441 .422 .500 .379 .485 .230 .344 .312 .130 .437 .141 .025 .703 1.45
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
MS21069 Nutplate Series Specifications
MATERIAL: C1050 carbon steel per AMS 5085 (UNS G10500) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per MIL-L-46010
PERFORMANCE: MIL-N-25027
Part Number T Thread
A Max
B D Dia
F Min
G Dia
±.010
H Max
J ±.002
K +.005 -.000
P Max
V Max
Axial Stength Lbs/min
Weight Lbs/100
Max Min
MS21069-02 .086-56 UNJC-3B .410 .162 .140 - .071 - .110 .250 .066 .130 .030 440 0.05
MS21069-03 .099-48 UNJC-3B .425 .184 .140 - .071 - .125 .265 .066 .140 .030 550 0.08
MS21069-04 .112-40 UNJC-3B .630 .260 .140 - .089 .200 .143 .406 .098 .160 .040 750 0.11
MS21069-06 .138-32 UNJC-3B .661 .265 .195 - .089 .200 .171 .437 .098 .200 .040 1130 0.14
MS21069-08 .164-32 UNJC-3B .692 .297 .230 .168 .100 .200 .250 .465 .098 .240 .040 1720 0.18
MS21069-3 .190-32 UNJF-3B .724 .328 .298 .194 .100 .200 250 .500 .098 .270 .040 2460 0.26
MS21069-4 .250-28 UNJF-3B .786 .414 .380 .254 .100 .200 .281 .562 .098 .340 .050 4580 0.40
MS21069-5 .3125-24 UNJF-3B 1.006 .505 .475 .317 .125 .230 .328 .718 .130 .410 .060 7390 0.77
MS21069-6 .375-24 UNJF-3B 1.116 .614 .580 .379 .125 .230 .344 .828 .130 .500 .070 11450 1.86
MS21071 Nutplate Series Specifications
Part Number Thread MIL-S-8879
A Max
B Ref
C ±.005
D Min
E Ref
G ±.010
H Max
J ±.002
K +.005 -.000
VRef
W Max
Approx Weight Lbs/100
MS21071-04 .1120-40 UNJC-3B .660 .215 .203 - .125 .200 .130 .219 .098 .025 .260 .10
MS21071-06 .1380-32 UNJC-3B .675 .215 .218 - .125 .200 .145 .219 .098 .032 .260 .13
MS21071-08 .1640-32 UNJC-3B .716 .215 .234 .168 .125 .200 .215 .219 .098 .032 .265 .17
MS21071-3 .1900-32 UNJF-3B .745 .215 .250 .194 .156 .200 .220 .219 .098 .032 .328 .22
MS21071-4 .2500-28 UNJF-3B .822 .215 .281 .254 .203 .200 .281 .219 .098 .040 .414 .39
MS21071-5 .3125-24 UNJF-3B 1.026 .215 .359 .317 .245 .230 .328 .269 .130 .065 .505 -
MS21071-6 .3750-24 UNJF-3B 1.139 .215 .414 .379 .300 .230 .344 .269 .130 .075 .614 -
MATERIAL: C1050 carbon steel per AMS 5085 (UNS G10500) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-46010 PERFORMANCE: MIL-N-25027
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
MS21073 Nutplate Series Specifications
MS21075 Nutplate Series Specifications
Part Number Thread MIL-S-8879
A Max
C ±.010
D Min
H Max
J ±.004
K +.005 -.000
P Ref
V Ref
W Max
Approx Weight Lbs/10
MS21075-04 .1120-40 UNJC-3B .651 .208 - .153 .408 .098 .164 .020 .315 .25
MS21075-06 .1380-32 UNJC-3B .682 .223 - .171 .439 .098 .190 .020 .357 .25
MS21075-08 .1640-32 UNJC-3B .707 .239 .168 .250 .470 .098 .214 .025 .367 .28
MS21075-3 .1900-32 UNJF-3B .739 .255 .194 .250 .502 .098 .240 .025 .416 .30
MS21075-4 .2500-28 UNJF-3B .801 .286 .254 .281 .564 .098 .300 .032 .500 .49
MS21075-5 .3125-24 UNJF-3B 1.01 .364 .317 .328 .720 .130 .375 .032 .581 -
MATERIAL: Carbon steel per AMS 5085 (UNS G10500) FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-460010 PERFORMANCE: MIL-N-25027
Part Number ThreadMIL-S-8879
A Max
B Ref
C ±.002
D Min
E Ref
H Max
J ±.005
K +.005 -.000
VRef
Approx Weight Lbs/100
MS21073-04 .1120-32 UNJC-3B .448 .220 .287 - .125 .130 .203 .098 .025 .09
MS21073-06 .1280-32 UNJC-3B .457 .220 .308 - .125 .145 .218 .098 .032 .13
MS21073-08 .1640-32 UNJC-3B .497 .220 .331 .168 .125 .215 .234 .098 .032 .17
MS21073-3 .1900-32 UNJF-3B .526 .220 .354 .194 .156 .220 .250 .098 .032 .22
MS21073-4 .2500-28 UNJF-3B .603 .220 .398 .254 .203 .281 .281 .098 .040 .37
MS21073-5 .3125-24 UNJF-3B .757 .270 .508 .317 .250 .328 .359 .130 .050 .63
MATERIAL: C1050 carbon steel per AMS 5085 (UNS G10500). Heat Treat -Rc 49, maximum FINISH: Cadmium plate per QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry film lubricant per MIL-L-460010 FLOATABILITY: .030 min radially from center
44
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Washers
As we all learned in grade school, the washer’s basic function is to act as a load bearing face to prevent a bolt and/or nut from digging into the surfaces of what is being clamped together. Washers also make good shims. Those listed below are the most regularly specified.
AN 960 FLAT WASHER
DASH NO.
BOLT or SCREW SIZE
O.D. (inches)
I.D. (inches)
THICKNESSLIGHT REG.
-4 #4 .312 .124 .016 .032-6 #6 .375 .149 .016 .032-8 #8 .375 .174 .016 .032-10 3/16” .438 .203 .032 .063
-416 1/4” .500 .265 .032 .063-516 5/16” .562 .328 .032 .063-616 3/8” .625 .390 .032 .063-716 7/16” .750 .453 .032 .063-816 1/2” .875 .515 .032 .063-916 9/16” 1.062 .578 .032 .063
-1016 5/8” 1.118 .640 .032 .063-1216 3/4” 1.312 .765 .032 .090
Commonly referred to as “AN” washers they are available in ”regular” and ”light” thickness in a given diameter. Gold cad-plated steel; they are also available in stainless steel.
AN960 Washers
These large OD steel “fender” washers are used where a large washer bearing area is required. Gold cad-plated steel.
AN970 Washers
For use with 100° flat-head aircraft bolts and screws such as NAS1102 torq-set and MS24694 machine screws. Provides a reinforced, flush profile attachment. Made of spring steel, clear (silver) cad-plated.
Tinnerman Countersunk Finishing Washers
AN 970 FLAT WASHER
DASH NO.
BOLT or SCREW SIZE
O.D. (inches)
I.D. (inches)
THICKNESS (inches)
-3 3/16” .875 .203 .063
-4 1/4” 1.125 .265 .063
-5 5/16” 1.375 .328 .063
-6 3/8” 1.625 .390 .063-7 7/16” 1.812 .453 .109-8 1/2” 2.000 .515 .109
-10 5/8” 2.375 .640 .125
TINNERMAN WASHERS
PART NO. SCREW SIZE O.D. (in) I.D. (in)A3236 012 24A #6 .500 .140A3135 017 24A #8 .560 .171A3235 028 24A #10 .750 .196
A3475 028 24A 1/4” .810 .255
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A high strength, heat-treated washer which must be used (“C” version) with the MS/NAS twelve point and internal wrenching bolts. The chamfer matches the radius under the bolt head. Also good for use with heavy torquing loads where ordinary steel washers would gall.
Note: Although the MS20002 washer will fit over the shanks of standard NAS (1103/1303/6403 etc.) hexbolts, the washer ID is small enough that it will usually “crash” with the bolt head-to-shank radius. DO NOT USE MS20002 WASHERS UNDER THE HEAD OF STANDARD NAS HEX BOLTS.
MS20002 & MS20002C Washers
Thread Size
MS Part Number ADia
B (Dia) C (Dia) D Flatness Tolerance MaxCountersunk Plain Max Min Max Min
1/4 MS20002C4 MS20002-4 .531 .260 .252 .344 .334 .078 .0075/16 MS20002C5 MS20002-5 .593 .324 .315 .406 .396 .078 .0073/8 MS20002C6 MS20002-6 .687 .388 .378 .495 .483 .078 .007
7/16 MS20002C7 MS20002-7 .781 .451 .441 .557 .543 .078 .0071/2 MS20002C8 MS20002-8 .875 .515 .504 .620 .604 .078 .007
9/16 MS20002C9 MS20002-9 .968 .579 .568 .687 .667 .078 .0105/8 MS20002C10 MS20002-10 1.062 .643 .631 .785 .765 .078 .0103/4 MS20002C12 MS20002-12 1.250 .770 .757 .910 .890 .078 .0107/8 MS20002C14 MS20002-14 1.437 .897 .884 1.035 1.015 .078 .0101 MS20002C16 MS20002-16 1.625 1.025 1.010 1.160 1.140 .078 .010
1-1/8 MS20002C18 MS20002-18 1.875 1.150 1.135 1.285 1.265 .078 .0101-1/4 MS20002C20 MS20002-20 2.125 1.275 1.260 1.447 1.427 .094 .0101-3/8 MS20002C22 MS20002-22 2.313 1.400 1.385 1.572 1.552 .094 .0151-1/2 MS20002C24 MS20002-24 2.500 1.525 1.510 1.697 1.677 .094 .015
MATERIAL: Alloy steel HEAT TREAT: 125,000 to 145,000 (MIL-H-6875) FINISH: Cadmium plating, Type II, Class 2. Washer faces parallel within .002 inch.
46
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Airframe Control Bearings
These high capacity, low torque, lightweight, close tolerance radial ball and roller bearings are in widespread use in F1 and other top level motorsport series. Excellent for control of oscillatory motion, most have teflon seals and come standard with high temperature (325ºF) milspec synthetic grease.
A Cautionary Note: These listed series bearings are currently manufactured by only three companies - RBC/Torrington/Fafnir, NHBB Aerospace, and Schatz. All have long production lead times and, because not all of these listed series are current
“standards” in aircraft/aerospace, it is critical to confirm availability on parts before design-specifying. Also, we strongly recommend procurring ample supplies of required items when available, as stock can appear and vanish from the open market quite rapidly. Major price fluctuations are also not uncommon. We can hold stock and release over a period of up
to 6 months with your purchase order. Contact us for further details.
We can supply the following Milspec/Fafnir series: MS27630/KP MS27641/KP-A MS27642/KP-B MS27642-S/MKP-BMS27643/DSP MS27644/DPP MS27645/KSP MS27646/B500DDMS27647/DW & GDW MS27648/KP-BS MS27649/AW-AK MS21428/MB500DD
Also in Fafnir: B5000 DSRP GSDRP B5500WZZ
“M” Prefix Precision Series: MKP MKP-A MKP-B MKP-BSMKSP MKSP-A MDW MDPPMDSP MB500 MB500DD
Also in MILSPEC:
M81934/1 and M81934/2 flanged & straight journal bearings
47
Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Aerospace Spherical Bearings: SpecificationsWe also stock the standard aerospace spec v-groove series of NHBB (NMB-USA) spherical bearings. Our testing and in-car experience has led us to conclude that they are the finest production bearings currently available.
• MS14101: Narrow race, V-groove (ref. NMB: ABT-V, HT-V)• MS14102: Wide race, chamfered (ref. NMB: ABWT, WHT)• MS14103: Wide race, V-groove (ref. NMB: ABWT-V, WHT-V)• MS14104: Narrow race, chamfered (ref. NMB: ABT, HT)
Part Number Prefix (B) Bore Dia
(D) Outside
Dia
(W) Ball
Width
(T) Race Width
Ball Dia
(F) Race Chamf’d
x 45o
(Q) Misalign-
ment
(E) Pitch Dia
(P) (R) (T) Limit Static Radial Load
Limit Static Axial Load
Dynamic Osc.
Radial Load
Chamfered V-Grooved inch +.000 -.001
inch +.0000 -.0005
inch +.000 -.002
inch ±.005
inch ref.
inch +.000 -.001
Min inch +.000 -.010
inch +.000 -.015
inch lbs lbs lbs
MS14104 MS14101 NARROW
ADB 4 (L) ADB 4V (L) .250 .656 .343 .250 .500 .020 10O .596 .030 .005 to .010 20o min 6,040 430 3,320
ADB 5 (L) ADB 5V (L) .312 .750 .375 .281 .562 .020 100 .652 .040 .005 to .010 30o 8,750 700 5,460
ADB 6 (L) ADB 6V (L) .375 .812 .406 .312 .656 .030 90 .714 .040 .01 to .02 30o 10,540 1,100 6,600
ADB 7 (L) ADB 7V (L) .437 .906 .437 .343 .718 .030 80 .808 .040 .01 to .02 30o 13,200 1,400 8,050
ADB 8 (L) ADB 8V (L) .500 1.000 .500 .390 .813 .030 80 .878 .060 .01 to .02 30o 17,900 2,100 10,400
ADB 9 (L) ADB 9V (L) .562 1.093 .562 .437 .875 .030 80 .972 .060 .01 to .02 30o 23,200 3,680 13,000
ADB 10 (L) ADB 10V (L) .625 1.187 .625 .500 .968 .030 80 1.065 .060 .01 to .02 30o 30,500 4,720 16,450
ADB 12 (L) ADB 12V (L) .750 1.437 .750 .593 1.187 .040 80 1.315 .060 .01 to .02 30o 46,400 6,750 23,600
ADB 14 (L) ADB 14V (L) .875 1.562 .875 .703 1.312 .040 80 1.440 .060 .01 to .02 30o 62,200 9,350 30,250
ADB 16 (L) ADB 16 (L) 1.000 1.750 1.000 .797 1.500 .040 90 1.628 .060 .01 to .02 30o 82,200 12,160 38,000
MS14102 MS14103 WIDE
ADW 4 (L) ADW 4V (L) .250 .625 .437 .327 .531 .025 150 .565 .030 .005 to .010 20o min 5,500 1,770 4,900
ADW 5 (L) ADW 5V (L) .312 .687 .437 .317 .593 .025 140 .627 .030 .005 to .015 30o 9,400 1,640 6,050
ADW 6 (L) ADW 6V (L) .375 .812 .500 .406 .687 .030 80 .714 .040 .01 to .02 30o 13,700 2,630 8,310
ADW 7 (L) ADW 7V (L) .437 .937 .562 .442 .781 .030 100 .839 .040 .01 to .02 30o 20,700 3,650 11,750
ADW 8 (L) ADW 8V (L) .500 1.000 .625 .505 .875 .030 90 .902 .040 .01 to .02 30o 21,400 4,970 14,950
ADW 9 (L) ADW 9V (L) .562 1.125 .687 .536 1.000 .030 100 1.027 .040 .01 to .02 30o 26,600 5,370 18,100
ADW 10 (L) ADW 10V (L) .625 1.187 .750 .567 1.062 .030 120 1.089 .040 .01 to .02 30o 29,000 6,130 20,250
ADW 12 (L) ADW 12V (L) .750 1.375 .875 .630 1.250 .040 130 1.253 .060 .01 to .02 30o 37,000 7,730 26,200
ADW 14 (L) ADW 14V (L) .875 1.625 .875 .755 1.375 .040 60 1.503 .060 .01 to .02 30o 65,200 10,800 33,600
ADW 16 (L) ADW 16V (L) 1.00 2.125 1.375 1.005 1.875 .040 120 2.003 .060 .01 to .02 30o 104,000 19,300 56,250
CHAMFER TYPE V-GROOVE TYPE
STAKING GROOVE
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Camlocs - 2600/2700 SeriesCamlocs have become the OEM chassis constructor’s virtually universal choice for bodywork attachment. We stock the cross recess (Phillips) version of the 2600/2700 and 4002 series studs and receptacles detailed below. All dimensions are in inches.
26S8 27S3
STUD SERIES STUD DIAMETER STUD BODY RETAINING RING
STUD RETAINING SPLIT RING
WORKING STRENGTH ULTIMATE
STRENGTH2600 .138
.118-5 and up (2600 LW)
Optional* (2600SW)
200 lb 300 lb
2700 .130 .124
Optional (27S5-1)
Yes (2600SW)
200 lb 300 lb
* Allows stud assembly to move freely (float) within top panel. If float is required all studs (both head styles) require split retaining ring.
2600 Series Protruding stud and solid retaining ring.
Installed with T-98-1 tool.
2700 Series Flush mounting stud and
split retaining ring.
2600/2700 Stud SelectionTO DETERMINE STUD PART NUMBER:1. Select receptacle to be used by referencing the illustration titled “2600/2700 Camloc Receptacles” on the next page, pg. 53 2. Determine “G” thickness per “Standard Mount Receptacle” & “Single Hole Mount Receptacle” illustrations on next page, pg. 53 3. Use the “2600/2700 Stud Selection Chart” on the next page, pg. 53 to determine the stud dash number -or- measure existing stud, compare length in chart below, and determine the stud dash number.
STUD #
#1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15
2600 .760 .790 .820 .850 .880 .910 .940 .970 1.00 1.03 1.06 1.09 1.12 1.15 1.182700 .610 .640 .670 .700 .730 .760 .790 .820 .850 .880 .910 .940 .970 1.00 1.03
“S” MEASUREMENT OF EXISTING STUDS:
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NOTES: 1. If the total thickness “G” is near the top of the thickness range given in the chart, then the next greater dash number is recommended.2. Add .020” to “G” when using 99R10 Receptacle (single hole mount receptacle)
Standard Mount Receptacle
Single Hole Mount Receptacle
2600/2700 Camloc Receptacles
312-12 * 99R10 ** 15R10 **
* Usage restricted to applications where “G” thickness is .390” or greater
** Head diameter = .625”
2600/2700 Stud Selection Chart Read stud dash number under receptacle type and across from “G” thickness
“G” Total Thickness
312-12 99R10 212-12
“G” Total Thickness
312-12 99R10 212-12
.030-.059 - 1 .390-.419 1 13
.060-.089 - 2 .420-.449 2 14
.090-.119 - 3 .450-.479 3 15
.120-.149 - 4 .480-.509 4 16
.150-.179 - 5 .510-.539 5 17
.180-.209 - 6 .540-.569 6 18
.210-.239 - 7 .570-.599 7 19
.240-.269 - 8 .600-.629 8 20
.270-.299 - 9 .630-.659 9 21
.300-.329 - 10 .660-.689 10 22
.330-.359 - 11 .690-.719 11 23
.360-.389 - 12 .720-.749 12 24.750-.779 13 25
212-12
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Camlocs - 4002 Series
Stud Series Stud Diameter Grommet Stud Retaining Split Ring
Working Strength Ultimate Strength
4002 .171 .166
Required in Top Panel
-16 and up (4002SW)
700 Lb 1050 Lb
40S5 214-16 244-16
STUD
GROMMET & GROMMET RETAINING RING (R4G) must be installed in top of panel (Plus Flush Version shown for Ring Retained Grommets). Flare Retained Grommets are also available which do not use a Retaining Ring.
STUD RETAINING RING Used for long studs (-16 or greater). Shorter studs (-15 and under) are self-captivating and do not require retaining rings.RECEPTACLE
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To Determine Stud Number: 1. Select receptacle to be used by referencing the illustrations on the previous page, pg. 50. 2. Determine “G” thickness per “Typical Installation Plus Flush Version” & “Typical Installation Flush Mounting Version” illustrations below (also see following page, pg. 56). Note: Add maximum “D” dimension to “G” when using plus flush grommets (i.e. 4002-N2, 4002-N, 4002-0, 4002-N3, 4002P3, 4002P4). 3. Use the “4002 Stud Selection Chart” below to determine the stud dash number (read dash number under receptacle type) -or- measure existing stud, compare length in “40S5 Stud Lengths” chart below, and determine the stud dash number.
4002 Stud Selection Chart Read stud dash number under receptacle type and across from “G” thickness
“G” Total Thickness
214-16 244-16 “G” Total Thickness
214-16 244-16
.081-.110 2 3 .441-.470 14 15
.111-.140 3 4 .471-.500 15 16.141-.170 4 5 .501-.530 16 17.171-.200 5 6 .531-.560 17 18.201-.230 6 7 .561-.590 18 19.231-.260 7 8 .591-.620 19 20.261-.290 8 9 .621-.650 20 21.291-.320 9 10 .651-.680 21 22.321-.350 10 11 .681-.710 22 23.351-.380 11 12 .711-.740 23 24.381-.410 12 13 .741-.770 24 25.411-.440 13 14 .771-.800 25 26
STUD DASH #
#1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 #17 #18 #19 #20 #21
“S” Length
.650 .680 .710 .740 .770 .800 .830 .860 .890 .920 .950 .980 1.01 1.04 1.07 1.10 1.13 1.16 1.19 1.22 1.25
40S5 Stud Lengths:
Typical Installation Plus Flush Version
Typical Installation Flush Mounting Version
Grommets
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Ring Retained Grommets
Flare Retained Grommets
Part Number Style
P Max
A B C D G Min
4002-N2 Plus Flush
.025 .625 .617
.201
.193.082 .074
.069
.063.053
4002-N Plus Flush
.065 .625 .617
.201
.193.122 .114
.029
.023.091
4002-O Plus Flush
.094 .625 .617
.202
.192.157 .137
.029
.023.116
4002-N3 Plus Flush
.078 .876 .867
.252
.244.128 .120
.054
.048.150
4002-G Flush
.074 N/A .191 .183
.132
.124N/A .090
4002-H Flush
.117 N/A .201 .193
.173
.167N/A .150
Typical Installation
Flush Mounting VersionPlus Flush Version
Flare retained grommets will accommodate relatively thick panels often eliminating the need for back counterboring. Flared grommets should also be specified when axial grommet movement must be restricted. Please note that part numbers shown following are basic part numbers only. See table for “P” panel thickness, “L” dimension and required grommet length dash number callout. All dimensions are in inches.
Panel Thickness (P)
Grommet Length (L)
Grommet Dash No.
Notes Panel Thickness (P)
Grommet Length (L)
Grommet Dash No.
.040 - .069 .109 - .116 040 P3 only .156 - .219 .260 - .270 190
.040 - .069 .145 - .156 040 P3 only .220 - .281 .328 - .358 250
.070 - .099 .142 - .149 070 P3 only .282 - .343 .391 - .421 312
.070 - .099 .155 - .166 070 P2 only .344 - .432 .478 - .483 400
.100 - .129 .172 - .176 100 .405 - .469 .516 - .546 437
.130 - .159 .201 - .205 130 .468 - .532 .578 - .608 500
.160 - .189 .230 - .234 160
PLUS FLUSH SERIES
STANDARD 4002P3-( ) LARGE AREA 4002P4 -( )
A = .625 D = .032 A = .876 D = .061 .617 .025 .867 .041
FLUSH 4002P2 -( ) A = .625 .617
FLUSH SERIES TYPICAL INSTALLATION
PLUS FLUSH FLUSH
↑
↓G
↑
↓G
Typical Installation
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Live Lock Panel Fasteners: General Information Definitions & Descriptions
1. The stud-nut (e.g. CA1820-1; CA1820-3) is retained with the top panel via a retaining ring (CA18377; CA1825; CA1826-1). 2. The receptacle (CA18157: rivet on; CA18062: thread in) is mounted in the mating panel. 3. Spring-loaded ratchet plates in the receptacles lock the stud into place and resist vibration & loosening WITHOUT THE NECESSITY OF PREVAILING TORQUE; as long as the stud-nut is engaged on the receptacle, it is locked into place. Further tightening does not increase its strength or vibration resistance. 4. Rated Strength: 1,650lbs min Ultimate tensile strength 1,800lbs min Ultimate single shear strength thru shank 1,500lbs min Ultimate single shear strength thru recess 5. See illustrations below.
Selection & Care
1. Since both the studs and receptacles employ “4 lead” threads, (#8-32 is the thread size for CA18157, CA18062, CA1820) each full turn of a stud will produce 4 times the vertical thread displacement of a standard #8-32 bolt (e.g. studs will act as if they are #8-8: 8 full turns travel equals 1 inch instead of 32 turns to travel 1 inch. 2. MAXIMUM ENGAGEMENT ON ANY STUD IS 1.75 TURNS; TYPICAL INSTALLATIONS SHOULD BE 1.5 TURNS OR LESS. Remember: FURTHER TIGHTENING DOES NOT ADD TO STRENGTH OR VIBRATION RESISTANCE! 3. FACTORY RECOMMENDED TIGHTENING TORQUE IS 30 lb./in. 4. The factory recommends that the studs be selected so as not to exceed the grip length (“g” dimension in the chart) indication for each size. Grips close to the maximum for a given stud dash number are sometimes better served with the next longer stud dash number.
Failures: Typically occur in receptacles; cracked, shattered, or broken ratchet plates, caused by (in declining order): 1. OVER-TIGHTENING: (attempting to go past coil-bind on the spring). 2. Use of a male stud-nut with a split or otherwise damaged nose, that unevenly contacts and/or “tips” the top ratchet plate. 3. Repeated shock loads (NEVER USE AIR TOOLS FOR INSTALLATION OR REMOVAL!) or continuous vibration, which causes the plates to rapidly load and unload against the stud.
Contact us for additional information or for specifications on other Live Lock and Mark IV panel fastener lines.
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“Keensert” Style Inserts: Inch & Metric MS51830, MS51831, MS51832
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Inch-Size Inserts: Miniature & Lightweight MS51830
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Heavy Duty & Extra Heavy Duty Inserts: MS51831 & MS51832
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Notes on Metric Inserts
These inserts are used in the same way and have the same design features as the MS style inserts detailed on the previous pages. Since there are no military or aerospace part numbers or specifications governing them, parts are typically referenced by AFS (Keensert) part number. Parts supplied may be either AFS or ACME manufacturer.
Basic Series Miniature Metric Internal Thread Lock (if required)Internal Thread in MillimetersThread Pitch in Millimeters
K N C M L 2 X 0.4
BASIC PART NUMBERS: LIGHTWEIGHT & HEAVY DUTY METRIC INSERTS
Basic Series Heavy Duty (if required) Metric Internal Thread Lock (if required)Internal Thread in MillimetersThread Pitch in Millimeters
K N H M L 8 X 1.25
BASIC PART NUMBERS: MINIATURE METRIC INSERTS
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
Thomas & Betts Ty-Raps®
This plastic cable tie is ideal for many racing vehicle applications where components like wiring and plumbing must be tied together and anchored securely. Only Thomas & Betts use a stainless locking tab in the head to maintain a positive grip. The ribbed body prevents lateral slippage. Stocked in black, weather & UV resistant “MX” series. Most commonly specified items are marked with a on the chart.
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Hardware KitsWe have combined some of the most commonly used aircraft hardware items into kits for the workshop and racetrack. Most kits and assortments are packaged in unbreakable plastic boxes and contain enough hardware for maintenance and repair.
AN960 Dash No.
Bolt or Screw Size
I.D. (inches)
O.D. (inches)
Quantity
-10 #10 (3/16) .203 .438 100 each: -10, -10L
-416 1/4” .265 .500 100 each: -416, -416L
-516 5/16” .328 .562 100 each: -516, -516L
-616 3/8” .390 .625 100 each: -616, -616L
-716 7/16” .453 .750 50 each: -716, -716L
-816 1/2” .515 .875 50 each: -816, -816L
AN Bolt Diameter
Size Bolt Quantity Grip Range OAL Range
3 #10-32 34 1/16” - 2 1/2” 1/2” - 3”
4 1/4”-28 34 1/16” - 2 7/16” 1/2” - 3”
5 5/16”-24 30 3/16” - 2 7/16” 3/4” - 3”
6 3/8”-24 18 5/16” - 2 5/16” 1” - 3”
7 7/16”-20 12 5/16” - 2 5/16” 1” - 3”
8 1/2”-20 12 3/16” - 2 3/16” 1” - 3”
Part Number Size Quantity
TY23MX 3.62” X .094” 100
TY25MX 7.31” X .184” 100
TY28MX 14.19” X .184” 50
TY27MX 13.38” X .301” 15
TY-RAP® KIT Contains an assortment of the most commonly used cable tie sizes. Thomas & Betts Ty-Raps use a stainless steel locking tab in the head to ensure positive grip. Black, UV and weather resistant. Used by every INDYCAR team. Ty-Rap kits are packaged in heavy-duty plastic bags.
AN AIRFRAME BOLT ASSORTMENTThe assortment for each bolt diameter contains a selection of bolts with lengths up to 3”. Grips (unthreaded shanks) are provided in 1/4” increments through the range of lengths supplied. AN Airframe bolts are hex head, fine thread fasteners with a tensile strength of 125,000 psi and shear strength of 75,000 psi. These are the most commonly used aircraft bolts and are vastly superior to “Grade 8” tension bolts for race car chassis applications. NOTE: Each diameter is sold separately. Unbreakable box, which holds up to 6 diameters, is sold separately.
AIRFRAME WASHER & JETNUT KIT• 100 x THICK AN960 steel flat washers per above listing in each size : #10, 1/4”, 5/16”, 3/8”• 100 x THIN AN960 steel flat washers per above listing in each size : #10, 1/4”, 5/16”, 3/8”• 50 x #10-32 all-metal jetnuts• 50 x 1/4”-28 all-metal jetnuts• 25 x 5/16”-24 all-metal jetnuts• 25 x 3/8”-24 all-metal jetnuts• Unbreakable box included
AIRFRAME WASHER & AIRCRAFT LOCKNUT KIT• 100 x THICK AN960 steel flat washers per above listing in each size : #10, 1/4”, 5/16”, 3/8”• 100 x THIN AN960 steel flat washers per above listing in each size : #10, 1/4”, 5/16”, 3/8”• 10 x AN364 half-height nylon insert locknuts• 10 x AN365 full height nylon insert locknuts• 10 x MS21042 all-metal self-locking jetnuts in each size: #10-32, 1/4”-28, 5/16”-24, 3/8”-24• Unbreakable box included
AN AIRFRAME WASHER KITContains the following AN960 steel flat washers (gold cadmium plated). Regular thickness is 1/16”, light thickness is 1/32”. Includes unbreakable box.
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Heat Reflective Tape
Coast Fabrication Inc currently offers two heat reflective tapes. Both of these tapes are lightweight, self-adhesive materials and are currently used in F-1, Indy Cars, ALMS, etc. Material specification and “apples-to-apples” comparison tests between our tapes and the corrugated “gold” material that is in universal circulation follow. All 3 tapes were applied to an aluminum panel (0.063” 3003H14) and a constant heat source was fixtured at noted distance. Heat was applied to the front (tape) side and the temperature was measured on the back side.
Material Specifications
Tape Material Specificatons Weight oz./yd2
Weight gm/m2
Coast Fab USA (Aerolite) Protected aluminum with 1 mil Kapton & Acrylic PSA 2.9 98Coast Fab USA Plus (Aerolite Plus) Aluminized dual mirror, aramid cloth, PSA 8.5 288Corrugated “gold” (competitor’s product) Gold colored film over aluminum, Kapton, PSA 6.8 230
Heat Source: 1000o F; Fixture 2.38” from panel; Ambient 80o F; Panel 80o- 85o FTape Seconds to 180o F Seconds to 210o F Seconds to 240o F
Coast Fab USA (Aerolite) 17.5 28.0 46.0Coast Fab USA Plus (Aerolite Plus) 26.5 41.8 66.0Corrugated “gold” (competitor’s product)* 18.9 31.9 49.3
Heat Source: 1000o F; Fixture 4.38” from panel; Ambient 80o F; Panel 80o- 85o FTape Seconds to 180o F Seconds to 210o F Seconds to 240o F
Coast Fab USA (Aerolite) 35.4 60.0 116.0Coast Fab USA Plus (Aerolite Plus) 49.3 85.0 151.0Corrugated “gold” (competitor’s product)* 42.0 65.0 125.0
*PLEASE NOTE THE FOLLOWING Several samples of the corrugated “gold” tape were tested and performance was very inconsistent. The findings referenced in the tables
above were from the HIGHEST PERFORMING samples. The performance of other corrugated “gold” samples we tested barely exceeded bare metal. We were unable to identify any visual difference between the “good” and “bad” material.
OUR RECOMMENDATION IS TO AVOID THIS MATERIAL UNLESS YOU VERIFY ITS PERFORMANCE WITH YOUR OWN TESTS.
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Coast Fabrication, Inc. Ph: 714.842.2603 Fax: 714.847.1824 [email protected]
AeroCatch2 ® - For Marine and Edge-Latching Applications
The popularity & success of the AeroCatch - the perfect modern alternative to conventional hood pins - resulted in the demand for an equally practical slide-pin attachment system suitable for marine applications where edge-latching is required. Marine users admired the simplicity and security of the AeroCatch in its original version, but asked for a version which eliminated the conventional threaded-pin mount. To meet this requirement, the shear sliding pin was lengthened to extend past the AeroCatch housing and into the mounting frame for the panel. The versatility and durability of the AeroCatch2 has been proven in the demanding world of powerboat racing.
AeroCatch2 - Design AdvantagesPositive, Fail-Safe Latching Flush, Trip-Proof Mounting Gloved Hand OperationWhite or Black Fully Paintable
2 x AeroCatch2 2 x Slide Pin 1 x Stainless Steel (marine grade) Fastener Pack & Instructions 1 x Blister Pack
Each AeroCatch2 Kit Contains:
AeroCatch® - Panel Fastening for the 21st Century
Coast Fabrication is the exclusive North American importer for the AeroCatch. AeroCatch is a lightweight, high strength, glass-reinforced thermoplastic housing that contains a hinged, spring-loaded stainless steel pin. This compact, aerodynamic assembly is the perfect modern replacement for conventional hood pins, door latches, and more. The AeroCatch is 100% fool proof when closed; the main latch cannot be shut without fully engaging the pin.
Each AeroCatch Kit Contents: 2 x AeroCatch2 x Strike Pins - Red Aluminum 2 x Rubber Bump Stops1 x Nut Ring and instructions1 x Blister Pack
Versions Available: Plus Flush - mounts on top of panel surface Flush - mounts on panel undersideLocking - optional lock on secondary latchColors - black* / white* / carbon look (*paintable) Extreme: Steel Strike Pins
Visit www.coastfab.com/aerocatch for complete technical information, active demonstrations, and actual installation pictures
DEALER INQUIRIES WELCOME ON ALL AEROCATCH PRODUCTS
Lock OptionalCarbon LookAerocatch Extreme
Visit www.coastfab.com/aerocatch2 for complete technical information, active demonstrations, and actual installation pictures
AeroCatch Extreme now available: With Steel Strike Pins for added strength and safety
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Visit www.coastfab.com/aerocatch3 for complete technical information, active demonstrations, and actual installation pictures
AeroCatch3, the latest addition to the AeroCatch family, offers an aerodynamic, high-strength tension latch for fastening large panels together. The large shear tongue allows the latch to carry loads in 3 axes. Unlike competing products, the AeroCatch3 requires no recessed pocket for installation - eliminating costly pocket molding in bodywork tooling. A simple panel cut-out is all that is required for installation.
DEALER INQUIRIES WELCOME ON ALL AEROCATCH PRODUCTS
AeroCatch3 - Design Advantages• Lightweight, high strength construction • Standard secondary lock • Gloved hand operation • Symmetrical latch & strike housings: individual latch & strike bodies available separately • Simple panel preparation
Each AeroCatch3 Kit Contains:2 x Complete latch/strike assemblies 2 x Mounting hardware 1 x Instructions and templates 1 x Blister Pack
AeroCatch3® - Shear and Tension Latch
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Rockwell Hardness (Tensile Strength)
External Threads “J” Type (Controlled Radius Root) Class 3A Per MIL-S-8879C
Dimensions are in inches
C A Tensile PSI (000)
C A B Tensile PSI (000)
60 81.0 311 30 65.5 - 13655 78.5 287 28 64.5 - 12950 76.0 256 26 63.5 - 12348 74.5 237 24 62.5 - 11846 73.5 221 22 61.5 99 11244 72.5 208 20 60.5 97 10742 71.5 194 18 59.5 96 10340 70.5 181 16 58.0 95 10038 69.5 170 12 56.5 92 9336 68.5 160 8 55.0 89 8834 67.5 150 4 53.0 86 8332 66.5 142 1 51.0 83 80
Size Threads per Inch
Major Diameter Pitch Diameter Minor DiameterMin Max Min Max Min Max
.1120-40 (#4 - 40) .1069 .1120 .0939 .0958 .0798 .0832
.1380-32 (#6 - 32) .1320 .1380 .1156 .1177 .0979 .1019
.1640-32 (#8 - 32) .1580 .1640 .1415 .1437 .1238 .1279
.1900-32 (#10 - 32) .1840 .1900 .1674 .1697 .1497 .1539
.2500-28 (1/4 - 28) .2435 .2500 .2243 .2268 .2041 .2088
.3125-24 (5/16 - 24) .3053 .3125 .2827 .2854 .2591 .2644
.3750-24 (3/8 - 24) .3678 .3750 .3450 .3479 .3214 .3268
.4375-20 (7/16 - 20) .4294 .4375 .4019 .4050 .3736 .3797
.5000-20 (1/2 - 20) .4919 .5000 .4643 .4675 .4360 .4422
.5625-18 (9/16 - 18) .5538 .5625 .5230 .5264 .4916 .4983
.6250-18 (5/8 - 18) .6163 .6250 .5854 .5889 .5540 .5608
.7500-16 (3/4 - 14) .7406 .7500 .7056 .7094 .6702 .6778
.8750-14 (7/8 - 14) .8647 .8750 .8245 .8286 .7841 .79251.000-12 (1 - 12) .9886 1.000 .9415 .9459 .8944 .9038
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Equivalents Fractional - Decimal - Metric
To convert INCHES to MILLIMETERS, multiply inches by 25.4To convert MILLIMETERS to INCHES, divide millimeters by 25.4
(As established by the American Standards Association)
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Other Useful Information
• This entire catalog is viewable on the home page of our website: www.coastfab.com
• The new Coast Fabrication, Inc. website (operational on or before 1-1-2015) will have a link to a complete listing of all our in-house, non-committed hardware inventory. This listing will be updated on a monthly basis.
• The old website “shopping cart” has been disabled. For online product requests, you can now use an interactive website form. You can also use the order form on page 71 and fax or scan and e-mail it as an attachment.
• In addition to the drawings contained in this catalog, there is a link on the website to our online library of specification drawings. If you have a drawing you wish to be added, please let us know.
• Coast Fabrication, Inc. is on Facebook.
• View hogleverage.com for information about our motorcycle-specific products: adjustable brake and clutch levers for Harley Davidson and Indian motorcycles.
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Notes
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