Excluding Assembly Components from a Bill of Materials To exclude assembly components from a Bill of Materials: In the assembly document, right-click the component and click Component Properties . In the Component Properties dialog box, select Exclude from bill of materials, then click OK. You can dissolve subassemblies and combine like components in BOMs. Parent topicBill of Materials Overview Example of Bill of Materials Setting Options for a Bill of Materials Inserting a Bill of Materials into a Drawing Inserting a Bill of Materials into an Assembly or Part Displaying the BOM Assembly Structure Item Number in a BOM Table Replaced Component Item Numbers in BOMs Changing the Value of a Custom Property in a BOM Combining Like Items in BOMs Component Properties Dissolving a Subassembly or Weldment in BOMs