Part number 310B 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.

4310-00-132-5492 — RING,PISTON · FSC 4310
5999-00-257-5707 — CLIP,ELECTRICAL · FSC 5999
5342-00-934-0565 — MOUNT,RESILIENT,WEAPON SYSTEM · FSC 5342
5440-01-260-2135 — STEPLADDER · FSC 5440
6625-00-947-7546 — PHASEMETER · FSC 6625
5960-00-188-3963 — ELECTRON TUBE · FSC 5960
6625-00-100-6847 — VOLTMETER · FSC 6625
6350-01-580-4562 — MOTION DETECTOR · FSC 6350
4930-00-421-5827 — LUBRICATING UNIT,POWER OPERATED · FSC 4930