Part number 27-77 appears under 10 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.

5985-00-433-3548 — WAVEGUIDE ASSEMBLY · FSC 5985
6525-01-549-2261 — ULTRASONIC UNIT,DIAGNOSTIC,HUMAN · FSC 6525
6625-01-548-3352 — SIMULATOR,ECG PATIENT · FSC 6625
5955-01-198-0704 — OSCILLATOR,CRYSTAL CONTROLLED · FSC 5955
6515-01-553-7465 — STIMULATOR,MUSCLE · FSC 6515
5330-01-384-7691 — RETAINER,PACKING · FSC 5330
4940-00-391-4547 — BLADE,ROTOR · FSC 4940
5315-01-279-2200 — PIN,LOCK · FSC 5315
3120-01-246-0597 — BUSHING,SLEEVE · FSC 3120
5340-01-596-2547 — BRACKET,ANGLE · FSC 5340