Part number 21009 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.

5940-00-984-4538 — TERMINAL BOARD · FSC 5940
6685-00-424-7241 — THERMOMETER TESTING SET · FSC 6685
5315-01-561-1020 — PIN,SHOULDER,HEADLESS · FSC 5315
5340-01-396-7248 — CLAMP,LOOP · FSC 5340
5340-01-566-9410 — PLATE,RETAINING,SEAL · FSC 5340
5120-01-430-7922 — WRENCH,OPEN END · FSC 5120
5110-01-396-3141 — CUTTER,CIRCLE · FSC 5110
3040-01-307-6157 — THRUST PLATE,CLUTCH · FSC 3040
5340-01-101-4460 — COVER,ACCESS · FSC 5340
3120-01-483-7753 — BEARING,WASHER,THRUST · FSC 3120
5962-01-438-0219 — MICROCIRCUIT,LINEAR · FSC 5962
5961-00-494-3351 — SEMICONDUCTOR DEVICE SET · FSC 5961