Part number 12-3 appears under 71 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.

5910-00-822-5683 — CAPACITOR,FIXED,CERAMIC DIELECTR · FSC 5910
5905-00-106-9351 — RESISTOR,FIXED,COMPOSITION · FSC 5905
3110-00-554-3180 — BEARING,BALL,ANNULAR · FSC 3110
2990-00-438-1551 — CAP ASSEMBLY,PROTECTIVE,MUFFLER- · FSC 2990
3110-00-720-2331 — BEARING,BALL,ANNULAR · FSC 3110
5975-00-152-1094 — BUSHING,ELECTRICAL CONDUIT · FSC 5975
3110-00-144-8983 — BEARING,BALL,ANNULAR · FSC 3110
4820-00-274-7390 — VALVE,GLOBE · FSC 4820
2940-00-012-4755 — FILTER ELEMENT,FLUID · FSC 2940
6240-00-155-7788 — LAMP,INCANDESCENT · FSC 6240
5340-00-964-2557 — CLAMP,LOOP · FSC 5340
4820-00-262-7020 — VALVE,GLOBE · FSC 4820
4820-00-274-7391 — VALVE,GLOBE · FSC 4820
5360-00-513-5834 — SPRING,HELICAL,COMPRESSION · FSC 5360
6240-00-155-7888 — LAMP,INCANDESCENT · FSC 6240
4820-00-274-7394 — VALVE,GLOBE · FSC 4820
3030-00-253-8366 — BELT,V · FSC 3030
4320-00-126-3090 — LINER,VALVE · FSC 4320
2530-00-359-1051 — PARTS KIT,HYDRAULIC BRAKE WHEEL · FSC 2530
4820-00-274-7392 — VALVE,GLOBE · FSC 4820
4730-00-811-3323 — COUPLING HALF,QUICK DISCONNECT · FSC 4730
4210-00-288-8268 — EXTINGUISHER,FIRE · FSC 4210
8040-01-197-2993 — ADHESIVE · FSC 8040
5340-00-869-1841 — CLAMP,LOOP · FSC 5340
5930-00-526-0587 — SWITCH,TOGGLE · FSC 5930
5940-00-204-8976 — TERMINAL,LUG · FSC 5940
4820-00-202-8176 — VALVE,GLOBE · FSC 4820
5905-00-858-3655 — RESISTOR,VARIABLE,NONWIRE WOUND, · FSC 5905
4730-01-196-7587 — STRAINER,SEDIMENT · FSC 4730
6675-00-900-2140 — TEMPLATE,DRAFTING · FSC 6675
3110-01-049-2811 — BEARING,BALL,ANNULAR · FSC 3110
5961-00-405-8873 — SEMICONDUCTOR DEVICE,DIODE · FSC 5961
4720-00-289-5600 — HOSE ASSEMBLY,NONMETALLIC · FSC 4720
4820-01-008-3746 — DISK,RUPTURABLE · FSC 4820
5345-00-198-8054 — STONE,SHARPENING · FSC 5345
5350-01-357-5515 — GRAIN,ABRASIVE · FSC 5350
5895-01-682-9556 — SWITCHING GROUP,DIGITAL DATA · FSC 5895
4730-01-538-8285 — REDUCER,PIPE · FSC 4730
6625-01-538-0066 — MULTIMETER · FSC 6625
5305-01-484-3488 — SCREW,MACHINE · FSC 5305
5310-01-458-7149 — WASHER,FLAT · FSC 5310
5340-01-086-6224 — BUTTON,PLUG · FSC 5340
5910-00-636-3810 — CAPACITOR,VARIABLE,AIR DIELECTRI · FSC 5910
2530-00-501-7014 — PARTS KIT,STEERING AXLE · FSC 2530
5340-00-473-5947 — KEY BLANK · FSC 5340
5360-01-192-2988 — SPRING,TAKE-UP · FSC 5360
3415-01-106-2720 — GRINDING MACHINE,CYLINDRICAL · FSC 3415
5342-01-069-0959 — FOOT,BUMPER,SPECIAL · FSC 5342
6625-01-055-3416 — GENERATOR,WAVEFORM · FSC 6625
2930-00-657-7468 — CURTAIN · FSC 2930

Showing the 50 best-attested of 71 stock numbers. Search for 12-3 to see the rest.