Part Number

Why it matters

Part numbers are the primary key of the PLM data model — every BOM entry, drawing reference, and purchase order line references a part number. A poorly designed numbering scheme creates long-term data management problems that compound over the life of the product line.

This term appears in

Cite this definition

Finocchiaro, Michael. “Part Number.” DemystifyingPLM PLM Glossary, 2026, https://www.demystifyingplm.com/glossary/part-number