A structured list detailing every component required to build a finished good, including part numbers, descriptions, and quantities. It serves as the core document for purchasing, inventory management, and production scheduling. A flat list shows just the parts, while a multi-level structure shows the hierarchical relationship of sub-assemblies.
The engineering change order means we need to update the bill of materials before purchasing orders the next run.
Related terms
BoM
A bill of materials listing all the raw materials, sub-assemblies, and components needed to manufacture a final product.
Part number
A specific alphanumeric code assigned to a distinct component or assembly.
Kitting
The process of gathering separate but related parts into a single package before delivering them to the assembly line.