The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-281-0026, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pmc/beta Ltd Partnership. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-281-0026 |
| Primary Part Number | 10397-250OHM |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Pmc/beta Ltd Partnership |
| Status | ACTIVE |
| Maximum Running Torque | 0.30 INCH-OUNCES IN |
| Nonturn Device Location | AT 9 OCLOCK |
| Body Diameter | 1.655 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 250.0 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.2497 INCHES MINIMUM AND 0.2599 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Body Length | 0.865 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 3.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Cubic Measure | 1.861 CUBIC INCHES |
| Actuator Travel Control Feature | CLUTCH |
| 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 |
|---|---|
| 10397-250OHM PRIMARY | Pmc/beta Ltd Partnership (USA) |
| Reference | Meaning |
|---|---|
| C158-3-250OHM | 5/1 Secondary reference Voltronics Inc |
NSN 5905-01-281-0026 is a Resistor,variable,wire Wound,non, manufactured by Pmc/beta Ltd Partnership, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-281-0026 has 1 manufacturer part number on file: 10397-250OHM (Pmc/beta Ltd Partnership).
Key specifications for 10397-250OHM: Maximum Running Torque: 0.30 INCH-OUNCES IN; Nonturn Device Location: AT 9 OCLOCK; Body Diameter: 1.655 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0. 30 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.