Part number 990-1 appears under 11 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.

5998-00-719-7244 — CIRCUIT CARD ASSEMBLY · FSC 5998
9150-01-574-0761 — GREASE,AIRCRAFT AND INSTRUMENT · FSC 9150
5935-01-075-2546 — CONNECTOR,PLUG,ELECTRICAL · FSC 5935
5930-01-041-6696 — GUARD,SWITCH · FSC 5930
6150-01-286-7360 — LEAD,ELECTRICAL · FSC 6150
4820-01-151-8026 — PLATE,VALVE · FSC 4820
2540-01-417-2232 — VENTILATOR,AIR CIRCULATING · FSC 2540
5325-00-543-3346 — GROMMET,NONMETALLIC · FSC 5325
3455-01-308-4389 — FILE,ROTARY · FSC 3455
5895-01-475-1578 — MODEM,COMMUNICATIONS · FSC 5895
5950-00-193-8385 — TRANSFORMER,RADIO FREQUENCY · FSC 5950