The Resistor,fixed,wire Wound,nonind, cataloged under National Stock Number 5905-01-021-5025, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-021-5025 |
| Item Name | Resistor,fixed,wire Wound,nonind |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000-1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -50.0 TO 50.0-50.0 TO 50.0 |
| Electrical Resistance | 5.110 OHMS5.110 OHMS |
| Inclosure Type | ENCASEDENCASED |
| Mounting Hole Size | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUGTAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN |
| Heat Sink Thickness | 0.040 INCHES0.040 INCHES IN |
| Terminal Length | 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN |
| Body Width | 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN |
| Body Height | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Reactance Characteristic | NONINDUCTIVENONINDUCTIVE |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0-55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Reliability Failure Rate Level in Percent | 0.0100.010 |
| Heat Sink Height | 2.000 INCHES2.000 INCHES IN |
| Power Dissipation Rating in Watts | 8.000 FREE AIR8.000 FREE AIR |
| Heat Sink Length | 7.000 INCHES7.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS25.0 CELSIUS DEGC |
| Specification/standard Data | 81349-MIL-R-39009/2 GOVERNMENT SPECIFICATION |
| Body Length | 1.062 INCHES NOMINAL1.062 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0275.0 |
| Heat Sink Width | 5.000 INCHES5.000 INCHES IN |
| Reliability Indicator | ESTABLISHEDESTABLISHED |
| Test Data Document | 81349-MIL-R-39009 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | ALUMINUM ALLOY HEAT SINK |
| 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 |
|---|---|
| RER50F5R11R | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-39009/2 | 4/1 Identification reference U.S. Government activity |
| MIL-R-39009/2 | 5/9 Secondary reference U.S. Government activity |
| RER50F5R11M | 5/9 Secondary reference U.S. Government activity |
| RER50F5R11P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5905-01-021-5025 is a Resistor,fixed,wire Wound,nonind, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-370-3392. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-021-5025: Resistance Tolerance in Percent: -1.000 TO 1.000-1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -50.0 TO 50.0-50.0 TO 50.0; Electrical Resistance: 5.110 OHMS5.110 OHMS; Inclosure Type: ENCASEDENCASED. 26 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.