Part number 21331 appears under 9 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.

2990-00-903-8324 — MUFFLER,EXHAUST · FSC 2990
6625-01-094-1778 — LEAD SET,TEST · FSC 6625
3040-01-420-1941 — SHAFT,STRAIGHT · FSC 3040
3040-01-420-1939 — SHAFT,SHOULDERED · FSC 3040
4820-01-419-2648 — PISTON,VALVE · FSC 4820
1680-00-700-8372 — GRIP ASSEMBLY,CONTROLLER,AIRCRAF · FSC 1680
5930-01-293-7548 — SWITCH,SENSITIVE · FSC 5930
6610-01-223-6094 — ROCKER SHAFT ASSEMB · FSC 6610
2915-00-931-2967 — PARTS KIT,VALVE,FIELD · FSC 2915