The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-01-180-8071, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-180-8071 |
| Primary Part Number | GR815BB1270F |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -30.0 TO 30.0 |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Electrical Resistance | 127.000 OHMS |
| Inclosure Type | ENCASED |
| Terminal Type | TAB, SOLDER LUG |
| Heat Sink Thickness | 0.040 INCHES IN |
| Terminal Length | 0.375 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| Style Designator | AXIAL TERMINALS ONE END |
| Heat Sink Height | 2.000 INCHES IN |
| Power Dissipation Rating in Watts | 25.000 HEAT SINK |
| Heat Sink Length | 7.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Mounting Bushing Diameter | 0.625 INCHES NOMINAL IN |
| Body Length | 0.812 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Heat Sink Width | 5.000 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| Material | ALUMINUM ALLOY HEAT SINK |
| Mounting Bushing Length | 1.158 INCHES NOMINAL IN |
| 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 |
|---|---|
| GR815BB1270F PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| PH25-127 0HMS P0 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| PH25X000K127R0F | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-180-8071 is a Resistor,fixed,wire Wound, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-180-8071 has 1 manufacturer part number on file: GR815BB1270F (Northrop Grumman Systems Corporation).
Key specifications for GR815BB1270F: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -30.0 TO 30.0; Body Diameter: 0.875 INCHES NOMINAL IN; Electrical Resistance: 127.000 OHMS. 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.