Part number 550400 appears under 4 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.

3110-00-227-4667 — CUP,TAPERED ROLLER BEARING · FSC 3110
3110-01-019-3564 — BEARING,BALL,ANNULAR · FSC 3110
4820-00-147-6517 — VALVE,STOP-CHECK · FSC 4820
6520-01-521-6027 — SUPPORT,FACE BOW BITE FORK,DENTA · FSC 6520