Part number 20-1 appears under 88 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.

3110-00-203-4103 — BEARING,BALL,ANNULAR · FSC 3110
4820-00-446-3508 — VALVE,CHECK · FSC 4820
4820-00-287-5151 — VALVE,CHECK · FSC 4820
5133-00-227-5839 — DRILL,TWIST · FSC 5133
5133-00-222-9385 — DRILL,TWIST · FSC 5133
4820-00-288-7066 — VALVE,CHECK · FSC 4820
5975-00-152-1095 — BUSHING,ELECTRICAL CONDUIT · FSC 5975
4820-00-446-3505 — VALVE,CHECK · FSC 4820
5120-00-239-8251 — PLIERS · FSC 5120
5905-00-107-2918 — RESISTOR,FIXED,COMPOSITION · FSC 5905
4820-00-203-3670 — VALVE,CHECK · FSC 4820
5120-00-926-5175 — BRUSH,BATTERY TERMINAL · FSC 5120
5930-00-699-9085 — SWITCH,SENSITIVE · FSC 5930
8040-01-025-0237 — ADHESIVE · FSC 8040
5315-00-616-5519 — KEY,WOODRUFF · FSC 5315
2805-00-422-6203 — VALVE,POPPET,ENGINE · FSC 2805
4730-00-223-6731 — NOZZLE,GARDEN HOSE · FSC 4730
3110-00-144-8738 — BEARING,BALL,ANNULAR · FSC 3110
2920-00-554-9156 — SPARK PLUG · FSC 2920
8135-00-142-9016 — CUSHIONING MATERIAL,PACKAGING · FSC 8135
5975-00-194-8868 — EXTENSION,JUNCTION BOX · FSC 5975
5935-00-187-4524 — PLUG,TIP · FSC 5935
9330-01-100-0084 — PLASTIC SHEET,LAMINATED,DECORATI · FSC 9330
3460-00-268-9316 — SOCKET,TAPER SHANK TOOL · FSC 3460
4730-00-903-3030 — BUSHING,PIPE · FSC 4730
4820-00-801-7850 — VALVE,SAFETY RELIEF · FSC 4820
5330-01-470-9446 — PACKING,PREFORMED · FSC 5330
4310-00-499-0394 — PLATE,OUTER SUCTION,VALVE · FSC 4310
4820-00-433-6825 — VALVE,RELIEF,PRESSURE AND TEMPER · FSC 4820
5133-01-339-0115 — DRIVER,TWIST DRILL AND REAMER · FSC 5133
9150-01-008-0954 — LUBRICATING OIL,EXPOSED GEAR · FSC 9150
6910-01-643-4390 — MANIKIN,INTRAOSSEOUS INFUSION TR · FSC 6910
6640-01-513-8684 — SEGMENT,PROCESSOR · FSC 6640
6510-01-503-8730 — BANDAGE,HEMORRHAGE CONTROL · FSC 6510
5999-01-083-6304 — HEAT SINK,ELECTRICAL-ELECTRONIC · FSC 5999
5325-00-735-1167 — RING,RETAINING · FSC 5325
7330-00-272-2590 — OPENER,CAN,ELECTRIC · FSC 7330
5930-00-270-7041 — SWITCH,PUSH · FSC 5930
5999-00-035-8899 — CONTACT,ELECTRICAL · FSC 5999
5920-01-350-6583 — FUSE,CARTRIDGE · FSC 5920
5930-01-090-1911 — SWITCH,CODE INDICATING WHEEL · FSC 5930
1005-00-344-5873 — PIN ASSY · FSC 1005
6515-01-364-1326 — STOCKINGS,ANTI-EMBOLISM · FSC 6515
4240-00-871-6267 — GUARD,FOOT,INDUSTRIAL · FSC 4240
5305-00-814-0789 — SCREW,SPECIAL · FSC 5305
5950-00-789-9046 — TRANSFORMER,AUDIO FREQUENCY · FSC 5950
4730-01-710-2741 — ELBOW,TUBE · FSC 4730
5935-00-356-9916 — CONNECTOR,RECEPTACLE,ELECTRICAL · FSC 5935
5320-00-279-1016 — RIVET,SPLIT · FSC 5320
1285-00-275-9045 — INDICATOR,RADAR · FSC 1285

Showing the 50 best-attested of 88 stock numbers. Search for 20-1 to see the rest.