Part number BS4 appears under 6 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.

5315-00-188-9486 — KEY,MACHINE · FSC 5315
5120-01-240-0666 — KEY,SOCKET HEAD SCREW · FSC 5120
8455-01-317-9831 — STRAP,NECK · FSC 8455
6105-00-800-8416 — MOTOR,DIRECT CURRENT · FSC 6105
4110-01-599-0082 — ICE CREAM CABINET,MECHANICALLY R · FSC 4110
3020-01-413-7517 — GUARD,MECHANICAL DRIVE · FSC 3020