The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-308-1438, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-308-1438 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Body Diameter | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 10.0 KILOHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 125.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Terminal Location | REAR-BOTTOM |
| Features Provided | SWITCH |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Body Length | 0.780 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Maximum Stop Torque | 32.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Switch Type | ROTARY |
| Effective Electrical Rotation in Deg Angular Rotation | 248.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Temp Characteristic Range Per Section in Percent | +0.0 TO 7.0 -55 DEG CELSIUS SINGLE SECTION AND +0.0 TO 3.5 -25 DEG CELSIUS SINGLE SECTION AND +0.0 TO 2.0 0 DEG CELSIUS SINGLE SECTION AND -2.5 TO 2.5 85 DEG CELSIUS SINGLE SECTION AND +0.0 TO 5.5 120 DEG CELSIUS SINGLE SECTION |
| 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 |
|---|---|
| 7915777 | 3/2 Design control — primary reference U.S. Government activity |
| WRS1G056S103U | 5/9 Secondary reference Clarostat Sensors and Controls |
| WRS1G056S103U | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-01-308-1438 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-308-1438: Maximum Running Torque: 3.00 INCH-OUNCES IN; Body Diameter: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0. 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.