The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-666-2535, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-666-2535 |
| Primary Part Number | 861146-01 |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -3.000 TO 3.000-3.000 TO 3.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0-20.0 TO 20.0 |
| Electrical Resistance | 25.000 OHMS25.000 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 | 0.059 INCHES0.059 INCHES IN |
| Terminal Length | 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN |
| Body Width | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Body Height | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0-55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Power Dissipation Rating in Watts | 12.500 FREE AIR12.500 FREE AIR |
| Heat Sink Length | 12.000 INCHES12.000 INCHES IN |
| Ambient Temp at Full Rated Power | 75.0 CELSIUS75.0 CELSIUS DEGC |
| 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 | 12.000 INCHES12.000 INCHES IN |
| Reliability Indicator | NOT ESTABLISHEDNOT ESTABLISHED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 861146-01 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| RH25-250HM | 5/2 Secondary reference U.S. Government activity |
| 31354-23 | 5/9 Secondary reference U.S. Government activity |
| RH25 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5905-00-666-2535 is a Resistor,fixed,wire Wound,induct, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-666-2535 has 1 manufacturer part number on file: 861146-01 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 861146-01: Resistance Tolerance in Percent: -3.000 TO 3.000-3.000 TO 3.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0-20.0 TO 20.0; Electrical Resistance: 25.000 OHMS25.000 OHMS; Inclosure Type: ENCASEDENCASED. 21 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.