The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-01-031-9716, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Welwyn Components Ltd. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-031-9716 |
| Primary Part Number | W21-1.2KOHMSPORM5PCT |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Welwyn Components Ltd |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -5.000 TO 5.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -200.0 TO 200.0 |
| Body Diameter | 0.156 INCHES NOMINAL IN |
| Electrical Resistance | 1.200 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 250.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 2.500 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Body Length | 0.437 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 250.0 |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| W21-1.2KOHMSPORM5PCT PRIMARY | Welwyn Components Ltd (GBR) |
NSN 5905-01-031-9716 is a Resistor,fixed,wire Wound,induct, manufactured by Welwyn Components Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-031-9716 has 1 manufacturer part number on file: W21-1.2KOHMSPORM5PCT (Welwyn Components Ltd).
Key specifications for W21-1.2KOHMSPORM5PCT: Resistance Tolerance in Percent: -5.000 TO 5.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -200.0 TO 200.0; Body Diameter: 0.156 INCHES NOMINAL IN; Electrical Resistance: 1.200 KILOHMS. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.