Part number T21 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.

5930-00-117-8071 — SWITCH,THERMOSTATIC · FSC 5930
5345-01-036-8957 — ABRASIVE ROLL · FSC 5345
5330-01-325-1220 — PUMP SEAL ASSEMBLY · FSC 5330
3110-01-648-7183 — BEARING,BALL,AIRFRAME · FSC 3110
3010-00-051-1503 — COUPLING,SHAFT,FLEXIBLE · FSC 3010
5950-01-106-1218 — TRANSFORMER,RADIO FREQUENCY · FSC 5950
5120-01-577-7890 — DRIVER,ARMATURE WEDGE · FSC 5120
6675-01-573-7161 — THEODOLITE,SURVEYING · FSC 6675
3910-00-757-4376 — MANDREL TOOL · FSC 3910