The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-01-262-2129, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Resistor Co Inc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-262-2129 |
| Primary Part Number | SM226-4-0R05K |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Precision Resistor Co Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -10.000 TO 10.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -15.0 TO 15.0 |
| Body Diameter | 0.280 INCHES NOMINAL IN |
| Electrical Resistance | 0.050 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 3.000 FREE AIR |
| Body Length | 0.775 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 |
|---|---|
| SM226-4-0R05K PRIMARY | Precision Resistor Co Inc (USA) |
| 1410509 | Qes Ltd (quality Electronic Services) (GBR) |
NSN 5905-01-262-2129 is a Resistor,fixed,wire Wound, manufactured by Precision Resistor Co Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-262-2129 has 2 manufacturer part numbers on file: SM226-4-0R05K (Precision Resistor Co Inc), 1410509 (Qes Ltd (quality Electronic Services)).
Key specifications for SM226-4-0R05K: Resistance Tolerance in Percent: -10.000 TO 10.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -15.0 TO 15.0; Body Diameter: 0.280 INCHES NOMINAL IN; Electrical Resistance: 0.050 OHMS. 11 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.