The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-01-024-4077, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-01-024-4077 |
| Primary Part Number | 990C050H01-5002 |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -0.100 TO 0.100-0.100 TO 0.100 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0-20.0 TO 20.0 |
| Electrical Resistance | 50.000 KILOHMS50.000 KILOHMS |
| Inclosure Type | ENCASEDENCASED |
| Mounting Hole Size | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Terminal Type | THREADED STUDTHREADED STUD |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.875 INCHES NOMINAL3.875 INCHES NOMINAL IN |
| Heat Sink Thickness | 0.125 INCHES0.125 INCHES IN |
| Terminal Length | 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN |
| Body Width | 2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN |
| Body Height | 2.188 INCHES NOMINAL2.188 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 | 250.000 FREE AIR250.000 FREE AIR |
| Heat Sink Length | 12.000 INCHES12.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS25.0 CELSIUS DEGC |
| Body Length | 4.500 INCHES NOMINAL4.500 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 |
|---|---|
| 990C050H01-5002 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| RH-250 50K .1PCT | 5/2 Secondary reference U.S. Government activity |
| RH250-71-5002 | 5/9 Secondary reference U.S. Government activity |
| RH250X007B50001B | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-024-4077 is a Resistor,fixed,wire Wound,induct, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-024-4077 has 1 manufacturer part number on file: 990C050H01-5002 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 990C050H01-5002: Resistance Tolerance in Percent: -0.100 TO 0.100-0.100 TO 0.100; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0-20.0 TO 20.0; Electrical Resistance: 50.000 KILOHMS50.000 KILOHMS; 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.