The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-221-5499, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-221-5499 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Body Diameter | 0.747 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 100.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.251 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.375 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -150.0 TO 150.0 SINGLE SECTION |
| Terminal Location | REAR END |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 20.0 MILLIMETERS NOMINAL MM |
| Body Length | 0.247 INCHES MAXIMUM IN |
| Maximum Stop Torque | 80.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 240.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 280.0 NOMINAL |
| Mounting Bushing Length | 0.381 INCHES MAXIMUM IN |
| 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 |
|---|---|
| C5085306/1 | 3/9 Design control — primary reference Us Army Combat Surveillance and Target Acquisition Laboratory |
| 3852A-AU4-104A | 5/9 Secondary reference Bourns Inc |
NSN 5905-01-221-5499 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-221-5499: Maximum Running Torque: 0.60 INCH-OUNCES IN; Body Diameter: 0.747 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 100.000 KILOHMS SINGLE SECTION. 28 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.