The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-129-4001, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Measurement Systems Inc. Government technical data includes 30 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-129-4001 |
| Primary Part Number | 501957-1 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Measurement Systems Inc |
| Status | ACTIVE |
| Maximum Running Torque | 1.00 INCH-OUNCES IN |
| Body Diameter | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 1.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Undercut Width | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.1239 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN |
| Undercut Diameter | 0.968 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 1.00 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -350.0 TO 350.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Mounting Lip Diameter | 1.0570 INCHES MINIMUM AND 1.0670 INCHES MAXIMUM IN |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Pilot Diameter | 0.9678 INCHES MINIMUM AND 0.9688 INCHES MAXIMUM IN |
| Body Length | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Pilot Length | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Shaft Radial Play | 0.001 INCHES IN |
| Tap Location From Ccw Terminal Per Section in Deg of Effective Electrical Rotation | 56.0 SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 4 TURRET |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 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 |
| Part Number | Manufacturer |
|---|---|
| 501957-1 PRIMARY | Measurement Systems Inc (USA) |
NSN 5905-01-129-4001 is a Resistor,variable,nonwire Wound,, manufactured by Measurement Systems Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-129-4001 has 1 manufacturer part number on file: 501957-1 (Measurement Systems Inc).
Key specifications for 501957-1: Maximum Running Torque: 1.00 INCH-OUNCES IN; Body Diameter: 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN; Electrical Resistance Per Section: 1.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN. 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.