Part number 331638 appears under 2 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.

2540-01-158-8556 — ROD ASSEMBLY,LATCH,BLOCKOUT,END · FSC 2540
5120-01-576-3389 — SOCKET,SOCKET WRENCH · FSC 5120