The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-01-186-0029, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-186-0029 |
| Primary Part Number | 744221-38 |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -90.0 TO 90.0 |
| Electrical Resistance | 0.0845 OHMS |
| Inclosure Type | ENCAPSULATED |
| Mounting Hole Size | 0.198 INCHES MAXIMUM IN |
| Terminal Type | THREADED STUD |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.010 INCHES MAXIMUM IN |
| Heat Sink Thickness | 0.125 INCHES IN |
| Terminal Length | 1.281 INCHES MAXIMUM IN |
| Body Width | 2.156 INCHES MAXIMUM IN |
| Body Height | 2.219 INCHES MAXIMUM IN |
| Reactance Characteristic | INDUCTIVE |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Power Dissipation Rating in Watts | 250.000 HEAT SINK |
| Heat Sink Length | 12.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 4.531 INCHES MAXIMUM IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Heat Sink Width | 12.000 INCHES IN |
| Reliability Indicator | NOT 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 |
|---|---|
| 744221-38 PRIMARY | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| RH-250-250W.0845 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| RH250X000ER0845F | 5/2 Secondary reference U.S. Government activity |
NSN 5905-01-186-0029 is a Resistor,fixed,wire Wound, manufactured by Ge Aviation Systems Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-186-0029 has 1 manufacturer part number on file: 744221-38 (Ge Aviation Systems Llc).
Key specifications for 744221-38: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -90.0 TO 90.0; Electrical Resistance: 0.0845 OHMS; Inclosure Type: ENCAPSULATED. 22 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.