The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-038-4386, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-01-038-4386 |
| Primary Part Number | FAADRV1239 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center |
| Status | ACTIVE |
| Maximum Running Torque | 1.40 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 500.000 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.2494 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Shaft End Play | 0.00100 INCHES IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 2.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Wire 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 |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.438 INCHES NOMINAL IN |
| Body Length | 0.687 INCHES NOMINAL IN |
| Shaft Runout | 0.002 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 338.0 MINIMUM AND 342.0 MAXIMUM |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Shaft Radial Play | 0.001 INCHES IN |
| Actuator Travel Control Feature | STOPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| FAADRV1239 | Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center (USA) |
| Reference | Meaning |
|---|---|
| 55-50-149A | C/1 Advisory reference — outside the item-of-supply concept Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments |
| 55-50-224 | 5/1 Secondary reference Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments |
NSN 5905-01-038-4386 is a Resistor,variable,wire Wound,pre, manufactured by Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-038-4386 has 1 manufacturer part number on file: FAADRV1239 (Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center).
Key specifications for FAADRV1239: Maximum Running Torque: 1.40 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Lateral Runout: 0.002 INCHES IN. 29 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.