osanumeroiden

Osanumeroiden is a Finnish term referring to part numbers—the unique identifiers assigned to components, assemblies, or products used in catalogs, procurement, inventory, and maintenance. In Finnish industrial and engineering contexts, osanumerot (part numbers) help distinguish exact item specifications across documentation and systems.

A part number is a code created by a manufacturer or organization to identify a specific item. It usually encodes information about the item’s type, family, size, revision, or supplier. Part numbers are used in purchasing, stocking, maintenance records, and technical drawings. They differ from serial numbers, which identify a specific physical instance of an item with its own history; a part number identifies the item type, not a particular unit.

Formats for osanumerot vary widely between organizations and industries. Common patterns include alphanumeric codes such as ABC-1234, 1234-56-78, or M6x1.0-20, and they are often embedded in a bill of materials, drawings, supplier catalogs, and ERP systems. Some part numbers are linked to metadata like description, supplier, unit of measure, and revision.

There is no universal global standard for part numbering. Organisations typically develop internal schemes, sometimes aligning with supplier catalogs or broader identification systems such as GTIN for procurement purposes. Best practices emphasize consistency, uniqueness, clear revision handling, and linkage to related data (description, manufacturer, BOM, and documentation).

See also: Part number, SKU, BOM, GTIN, ERP, procurement.