Part number 42521 appears under 8 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

2940-01-147-8008 — FILTER ELEMENT,INTAKE AIR CLEANE · FSC 2940
5120-01-336-5620 — SCREWDRIVER,JEWELER'S,SWIVEL KNO · FSC 5120
5930-01-249-7373 — SWITCH,PUSH · FSC 5930
6220-01-189-4909 — DIRECTIONAL LIGHT,VEHICULAR · FSC 6220
5950-00-645-7318 — TRANSFORMER,AUDIO FREQUENCY · FSC 5950
6220-01-653-0542 — PANEL,INDICATING,LIGHT TRANSMITT · FSC 6220
6320-01-270-1419 — PANEL,ALARM,SHIPBOARD · FSC 6320
7510-01-198-6060 — BINDER,LOOSE-LEAF · FSC 7510