The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-138-0577, 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30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-138-0577 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 1.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Shaft Bearing Type | BEARING |
| Nonturn Device Radius | 0.245 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING WITH SHAFT SEAL |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.438 INCHES NOMINAL IN |
| Body Length | 0.422 INCHES MAXIMUM IN |
| Maximum Stop Torque | 32.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 270.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Mechanical Backlash in Deg Angular Rotation | 3.0 |
| Actuator Travel Control Feature | STOPS |
| Resistance Temp Characteristic Range Per Section in Percent | +0.0 TO 5.5 -55 DEG CELSIUS SINGLE SECTION AND +0.0 TO 3.0 -25 DEG CELSIUS SINGLE SECTION AND +0.0 TO 1.5 0 DEG CELSIUS SINGLE SECTION AND -2.0 TO 2.0 85 DEG CELSIUS SINGLE SECTION AND +0.0 TO 4.5 120 DEG CELSIUS SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -2.0 TO 2.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 295.0 NOMINAL |
| Mounting Bushing Length | 0.250 INCHES NOMINAL 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 |
|---|---|
| WRA1A028S102M | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| WRA1A028S102M | C/1 Advisory reference — outside the item-of-supply concept Clarostat Sensors and Controls |
| 311-2050-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-138-0577 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-466-1401. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-138-0577: Maximum Running Torque: 3.00 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 1.000 KILOHMS SINGLE SECTION. 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.