The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-021-9138, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns 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 | 5905-01-021-9138 |
| Primary Part Number | 3059L1-502M |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns Inc |
| Status | ACTIVE |
| Maximum Running Torque | 5.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Body Height | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Mounting Hole Diameter | 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 SINGLE SECTION |
| Terminal Location | REAR END |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Shaft Length | 0.036 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Body Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 7920.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.083 CUBIC INCHES |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Rotary Actuator Travel in Angular Deg | 7920.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 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 |
|---|---|
| 3059L1-502M PRIMARY | Bourns Inc (USA) |
NSN 5905-01-021-9138 is a Resistor,variable,nonwire Wound,, manufactured by Bourns Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-021-9138 has 1 manufacturer part number on file: 3059L1-502M (Bourns Inc).
Key specifications for 3059L1-502M: Maximum Running Torque: 5.00 INCH-OUNCES IN; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1. 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.