The Resistor,adjustable, cataloged under National Stock Number 5905-00-076-9121, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-076-9121 |
| Primary Part Number | BRA10-251-48 |
| Item Name | Resistor,adjustable |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -5.000 TO 5.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0 |
| Body Diameter | 0.161 INCHES NOMINAL IN |
| Electrical Resistance | 250.000 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Reactance Characteristic | NONINDUCTIVE |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 10.000 FREE AIR |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 0.416 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| BRA10-251-48 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 5-28-250AS | Lockheed Martin Librascope Corporation (USA) |
NSN 5905-00-076-9121 is a Resistor,adjustable, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-076-9121 has 2 manufacturer part numbers on file: BRA10-251-48 (Lockheed Martin Librascope Corporation), 5-28-250AS (Lockheed Martin Librascope Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-828-1902. Verify interchangeability with system specifications before substitution.
Key specifications for BRA10-251-48: Resistance Tolerance in Percent: -5.000 TO 5.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0; Body Diameter: 0.161 INCHES NOMINAL IN; Electrical Resistance: 250.000 OHMS. 15 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.