Part number 20-09 appears under 38 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.

5331-00-542-1365 — O-RING · FSC 5331
5940-00-903-1332 — TERMINAL,STUD · FSC 5940
2940-00-075-1727 — FILTER ELEMENT,INTAKE AIR CLEANE · FSC 2940
5120-01-399-9477 — SOCKET,SOCKET WRENCH · FSC 5120
2990-00-706-6528 — INSULATORENGINE MOU · FSC 2990
5365-00-516-7889 — SHIM · FSC 5365
6340-00-052-6363 — ALARM-MONITOR · FSC 6340
5950-00-078-9238 — TRANSFORMER,POWER · FSC 5950
4320-00-554-8105 — RING,WEARING · FSC 4320
5340-00-358-2902 — BUMPER · FSC 5340
5940-00-086-2358 — TERMINAL BOARD · FSC 5940
6625-00-078-6377 — VOLTMETER · FSC 6625
4730-00-793-2826 — ELBOW,TUBE · FSC 4730
2510-00-752-1839 — ALIGNMENT CLIP,LEAF SPRING · FSC 2510
5940-00-250-7772 — TERMINAL,LUG · FSC 5940
4720-00-836-8167 — HOSE ASSEMBLY,METALLIC · FSC 4720
4320-01-344-5866 — COVER,HYDRAULIC,PUMP-MOTOR · FSC 4320
5330-01-130-0301 — SEAL · FSC 5330
5360-00-838-9681 — SPRING,HELICAL,COMPRESSION · FSC 5360
6680-01-396-9527 — INDICATOR,SIGHT,LIQUID · FSC 6680
5910-00-087-0625 — CAPACITOR,FIXED,ELECTROLYTIC · FSC 5910
4820-01-366-8034 — VALVE,INFLATION · FSC 4820
5975-01-286-7497 — PLATE,ELECTRICAL GROUNDING · FSC 5975
3040-01-147-9320 — CLAMP,HUB · FSC 3040
5940-00-950-5756 — TERMINAL,STUD · FSC 5940
2540-01-513-5304 — BLADE,WINDSHIELD WIPER · FSC 2540
5360-00-292-2665 — SPRING,HELICAL,COMPRESSION · FSC 5360
4460-00-072-5451 — FILTER,AIR,ELECTROSTATIC · FSC 4460
5996-01-362-5361 — AMPLIFIER,ELECTRONIC CONTROL · FSC 5996
6515-01-139-7887 — TIP JET LAVAGE CO · FSC 6515
5330-01-016-5673 — SEAL,VALVE · FSC 5330
6640-00-951-5539 — TUBE,BIOLOGICAL CULTURE SAMPLING · FSC 6640
5331-01-508-0249 — O-RING · FSC 5331
5330-01-505-2954 — GASKET · FSC 5330
4820-01-432-4654 — DIAPHRAGM,VALVE,FLAT · FSC 4820
4540-00-394-9014 — BAR,CUTTER · FSC 4540
5945-00-315-2180 — RELAY,ELECTROMAGNETIC · FSC 5945
5325-00-180-4353 — RING,RETAINING · FSC 5325