Part number 2-4000 appears under 11 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.

2940-00-974-3544 — FILTER ELEMENT,FLUID · FSC 2940
5120-01-430-8483 — PUNCH,CENTER,SOLID · FSC 5120
3431-00-018-8360 — COLLET,WELDING TORCH · FSC 3431
6110-01-095-7440 — REGULATOR,VOLTAGE · FSC 6110
7025-01-329-8876 — TAPE DUPLICATION-VERIFICATION SY · FSC 7025
2815-01-283-3082 — PARTS KIT,PISTON ASSEMBLY,ENGINE · FSC 2815
5360-01-270-1591 — SPRING · FSC 5360
3040-01-724-3440 — CYLINDER ASSEMBLY,ACTUATING,LINE · FSC 3040
1005-01-521-5981 — PULL THROUGH,SMALL ARMS CLEANING · FSC 1005
4730-01-232-2442 — PLUG,PIPE · FSC 4730
5340-00-394-8061 — TURNBUCKLE · FSC 5340