Part number 20-520 appears under 12 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.

5120-01-349-1450 — WRENCH,BOX AND OPEN END,COMBINAT · FSC 5120
5935-00-259-3299 — CONNECTOR,RECEPTACLE,ELECTRICAL · FSC 5935
5330-01-386-2742 — SEAL,PLAIN ENCASED · FSC 5330
5325-00-232-9218 — STUD,TURNLOCK FASTENER · FSC 5325
5930-01-115-6944 — SWITCH SECTION,ROTARY · FSC 5930
4520-01-194-6448 — HEATING ELEMENT,ELECTRICAL,NONIM · FSC 4520
5920-01-162-4553 — FUSE,CARTRIDGE · FSC 5920
3460-01-670-9436 — CHUCK,DRILL · FSC 3460
6545-01-607-3397 — MEDICAL EQUIPMENT SET,PHYSICAL T · FSC 6545
4820-01-439-3515 — VALVE,CHECK · FSC 4820
5935-00-678-5997 — CONNECTOR,ELECTRICA · FSC 5935
4820-00-393-4288 — STEM,NEEDLE VALVE · FSC 4820