Part number 21159 appears under 10 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.

6625-01-223-2980 — OHMMETER · FSC 6625
5950-01-407-3077 — REACTOR · FSC 5950
5999-01-096-6645 — SHIELDING GASKET,ELECTRONIC · FSC 5999
5305-01-631-2915 — SCREW,CAP,SOCKET HEAD · FSC 5305
4730-01-689-2973 — ELBOW,HOSE · FSC 4730
5330-01-291-9098 — SEAL,PLAIN ENCASED · FSC 5330
3010-00-441-9992 — COUPLING,SHAFT,FLEXIBLE · FSC 3010
5330-01-207-2468 — PARTS KIT,SEAL REPLACEMENT,MECHA · FSC 5330
5815-01-171-1603 — SWITCH BOARD ASSY · FSC 5815
3110-00-004-3439 — BEARING,BALL,ANNULAR · FSC 3110