The Resistor,thermal, cataloged under National Stock Number 5905-00-810-4371, 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 Rotary and Mission Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-810-4371 |
| Primary Part Number | 9215X1-1 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Inclosure Type | ENCAPSULATED |
| Terminal Diameter | 0.020 INCHES NOMINAL IN |
| Terminal Length | 1.375 INCHES NOMINAL IN |
| Body Outside Diameter | 0.200 INCHES NOMINAL IN |
| Body Width | 0.060 INCHES NOMINAL IN |
| Style Designator | DISK |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 7.0 |
| Zero Power Resistance | 503.000 OHMS |
| Thermal Time Constant in Seconds | 50.0 |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -10.0 TO 10.0 |
| Maximum Operating Temp | 150.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Maximum Power Dissipation Rating | 880.00 MILLIWATTS |
| 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 |
|---|---|
| 9215X1-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| RL7F1 | 5/9 Secondary reference Keystone Carbon Co Inc |
NSN 5905-00-810-4371 is a Resistor,thermal, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-810-4371 has 1 manufacturer part number on file: 9215X1-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 9215X1-1: Inclosure Type: ENCAPSULATED; Terminal Diameter: 0.020 INCHES NOMINAL IN; Terminal Length: 1.375 INCHES NOMINAL IN; Body Outside Diameter: 0.200 INCHES NOMINAL IN. 14 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.