The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-028-6446, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-028-6446 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.25 INCH-OUNCES IN |
| Nonturn Device Location | AT 12 OCLOCK |
| Body Diameter | 0.906 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.001 INCHES IN |
| Electrical Resistance Per Section | 10.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.625 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -1.00 TO 1.00 SINGLE SECTION |
| Shaft End Play | 0.00500 INCHES IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.30 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -30.0 TO 30.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-R-12934/10 GOVERNMENT SPECIFICATION |
| Body Length | 0.750 INCHES MAXIMUM IN |
| Shaft Runout | 0.002 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 1.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 350.0 NOMINAL |
| Pilot Diameter Runout | 0.00100 INCHES IN |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| RR3100A2A7A103 | 2/2 Government specification standardization U.S. Government activity |
| MILR12934-10 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-12934/10 | 4/1 Identification reference U.S. Government activity |
NSN 5905-01-028-6446 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 5905-01-084-9939, 5905-01-264-5406, 5905-01-274-6068. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-028-6446: Maximum Running Torque: 0.25 INCH-OUNCES IN; Nonturn Device Location: AT 12 OCLOCK; Body Diameter: 0.906 INCHES MAXIMUM 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.