What is a document listing all parts needed for a finished assembly, including part composition and size?

The Bill of Materials (BOM) is a comprehensive document that details all the components necessary for producing a finished assembly, encapsulating vital information about each part, including its composition, size, and often the quantity required. This document serves as a crucial reference for assembly mechanics as it outlines precisely what materials are needed, ensuring that the assembly process can be carried out efficiently and accurately.

The BOM helps in managing inventory, ordering parts, and understanding the structure of the assembly, making it an essential tool within aerospace manufacturing. Correctly identifying each part, along with its specifications, is critical to maintain the quality and safety standards required in aerospace applications.

In contrast, while an assembly guide may provide instructions for putting together parts, it does not typically list each individual component with its specifications. A component list could refer to a simpler identification of parts without detailed attributes. Parts inventory, on the other hand, generally focuses on stock levels and availability rather than detailing the composition and requirements of parts for a specific assembly.