The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-431-4136, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-431-4136 |
| Primary Part Number | W21-1000P0RM10PCT |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Welwyn Components Ltd |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -10.000 TO 10.000 |
| Body Diameter | 0.219 INCHES NOMINAL IN |
| Electrical Resistance | 1.000 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| 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 | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 25123-080 | Viavi Solutionsllc (USA) |
| W21-1000P0RM10PCT PRIMARY | Welwyn Components Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 25123-080 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 5905-00-431-4136 is a Resistor,fixed,wire Wound,induct, manufactured by Welwyn Components Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-431-4136 has 2 manufacturer part numbers on file: 25123-080 (Viavi Solutionsllc), W21-1000P0RM10PCT (Welwyn Components Ltd).
Key specifications for W21-1000P0RM10PCT: Resistance Tolerance in Percent: -10.000 TO 10.000; Body Diameter: 0.219 INCHES NOMINAL IN; Electrical Resistance: 1.000 KILOHMS; Inclosure Type: ENCAPSULATED. 10 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.