Part number 381-21 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.

6510-01-616-6857 — DRESSING,BURN,FIRST AID · FSC 6510
4730-00-627-3418 — EXPANSION JOINT,PIPE · FSC 4730
5950-00-972-3245 — REACTOR · FSC 5950
5120-01-581-0846 — SOCKET,SOCKET WRENCH · FSC 5120
5307-01-303-8179 — STUD,PLAIN · FSC 5307
5895-01-392-5248 — ENHANCED BASE · FSC 5895
1560-01-724-7607 — SUPPORT,STRUCTURAL COMPONENT,AIR · FSC 1560
4920-00-300-1299 — NEEDLE,VALVE INFLATOR · FSC 4920