Part number 21-273 appears under 5 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.

5935-00-721-0431 — CONNECTOR,RECEPTACLE,ELECTRICAL · FSC 5935
4810-01-307-0039 — VALVE,CROSS · FSC 4810
1660-01-672-5156 — INSULATION BLANKET,THERMAL,AIRCR · FSC 1660
5315-01-101-5622 — PIN,SHOULDER,HEADLESS · FSC 5315
4130-01-300-5001 — COMPRESSOR,REFRIGERATION · FSC 4130