The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-302-1981, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns, Inc. Dba Bourns Sensor Controls. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-302-1981 |
| Primary Part Number | 3750S-40-502 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns, Inc. Dba Bourns Sensor Controls |
| Status | ACTIVE |
| Maximum Running Torque | 0.30 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 5000.0 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.094 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL FRICTION MOUNTED |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.375 INCHES NOMINAL IN |
| Body Length | 1.188 INCHES NOMINAL IN |
| Maximum Stop Torque | 0.50 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 2 TURRET |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| 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 |
|---|---|
| 3750S-40-502 PRIMARY | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| Reference | Meaning |
|---|---|
| 3750S-40-502 | 5/9 Secondary reference Bourns Inc |
NSN 5905-01-302-1981 is a Resistor,variable,wire Wound,pre, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-302-1981 has 1 manufacturer part number on file: 3750S-40-502 (Bourns, Inc. Dba Bourns Sensor Controls).
Key specifications for 3750S-40-502: Maximum Running Torque: 0.30 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Electrical Resistance Per Section: 5000.0 OHMS SINGLE SECTION; Section Quantity: 1. 16 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.