Part number 3939 appears under 9 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.

6520-01-365-2105 — MATRIX,CROWN,DENTAL · FSC 6520
5999-00-299-0901 — CONTACT,ELECTRICAL · FSC 5999
5985-00-643-2759 — PROBE,WAVEGUIDE · FSC 5985
5930-00-272-1401 — SWITCH,TOGGLE · FSC 5930
5310-01-394-4468 — WASHER,LOCK · FSC 5310
3040-00-070-2285 — RING,PISTON · FSC 3040
5305-01-352-2009 — SCREW,MACHINE · FSC 5305
5340-01-572-3401 — BUMPER · FSC 5340
5360-00-253-6908 — SPRING,HELICAL,COMPRESSION · FSC 5360