Part number 9521 appears under 16 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.

5120-00-180-0777 — EXTRACTOR,SCREW · FSC 5120
4820-01-192-3477 — VALVE,SAFETY RELIEF · FSC 4820
4820-01-150-4956 — CAP,VALVE · FSC 4820
4730-01-151-4479 — TAILPIECE,UNION · FSC 4730
4820-01-151-8978 — BODY,VALVE · FSC 4820
5930-00-981-3270 — SWITCH,ROTARY · FSC 5930
4820-01-275-4162 — VALVE,SAFETY RELIEF · FSC 4820
5120-01-650-4000 — WRENCH,BOX AND OPEN END,COMBINAT · FSC 5120
6532-00-163-7621 — SURGICAL PACK,GOWN AND TOWEL · FSC 6532
4820-01-567-2451 — VALVE,SAFETY RELIEF · FSC 4820
5998-01-367-8885 — CIRCUIT CARD ASSEMBLY · FSC 5998
4320-01-456-1692 — HOUSING,LIQUID PUMP · FSC 4320
5325-00-640-9986 — GROMMET,NONMETALLIC · FSC 5325
5895-01-661-3088 — COVER,ELECTRONIC COMMUNICATION E · FSC 5895
4820-01-478-5982 — VALVE,SAFETY RELIEF · FSC 4820
6220-00-536-0942 — LIGHT,SPECIAL PURPO · FSC 6220