A bill of material (BOM) describes the different components that together create a product. For example- A computer is a product. It is a combination of CPU, Keyboard, Monitor, Mouse etc. The bill of material contains the item number of each component, quantity required in the manufacture of a product and the unit of measure of the item.

SAP R/3 allows the creation of various categories of Bill of Material. Some of the categories of the BOM are -

Material BOM (T-code CS01)- A bill of material that you create for a material known as material BOM.

Equipment BOM (T-code-IB01) -Equipement BOM is used to describe the structure of equipment and to assign spare parts to equipment for maintenance purpose.

Sales Order BOM (T-code-CS61) -Sales Order BOM is used for make-to-order production of products according to the requirements of customers.

Functional location BOM (T-Code-IB11) - A functional location BOM can be created individually for each functional location or a group of technical objects.

Document BOM (T-code-CS11)- A complex document may be made up from multiple documents such as program, papers, technical drawing etc. These related information and documentation object grouped as a unit using a BOM.

Step-1 Create Material BOM1. Enter T-code CS01 in the command field.

2. Enter Material / Plant / BOM usage .

Step-2Enter Item Code, Material component and Quanity.

Step-3Click on save button. A Message aswill be displayed