The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-01-159-7520, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-159-7520 |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0 |
| Electrical Resistance | 0.250 OHMS |
| Inclosure Type | ENCASED |
| Mounting Hole Size | 0.125 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.563 INCHES NOMINAL IN |
| Terminal Length | 0.406 INCHES NOMINAL IN |
| Body Width | 0.630 INCHES NOMINAL IN |
| Body Height | 0.610 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Power Dissipation Rating in Watts | 20.000 FREE AIR |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 1.968 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.756 CUBIC INCHES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NH50X000BR2500F | 5/9 Secondary reference U.S. Government activity |
| NH50X000ER2500F | 3/9 Design control — primary reference U.S. Government activity |
| NH50-0.25F | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5905-01-159-7520 is a Resistor,fixed,wire Wound, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-159-7520: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0; Electrical Resistance: 0.250 OHMS; Inclosure Type: ENCASED. 18 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.