The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-665-9177, 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 17 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 | 5905-01-665-9177 |
| Primary Part Number | 3549S-1AA-501A |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns, Inc. Dba Bourns Sensor Controls |
| Status | ACTIVE |
| Maximum Running Torque | 0.7 INCH-OUNCES IN |
| Body Diameter | 22.479 MILLIMETERS NOMINAL MM |
| Lateral Runout | 0.13 MILLIMETERS MM |
| Electrical Resistance Per Section | 500.0 OHMS SINGLE SECTION |
| Shaft Diameter | 6.34 MILLIMETERS NOMINAL MM |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Shaft End Play | 0.15 MILLIMETERS MM |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.7 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Body Length | 19.812 MILLIMETERS NOMINAL MM |
| Maximum Stop Torque | 75.0 INCH-OUNCES IN |
| Shaft Runout | 0.08 MILLIMETERS MM |
| Shaft Radial Play | 0.08 MILLIMETERS MM |
| Mechanical Backlash in Deg Angular Rotation | 1.0 |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 SINGLE SECTION |
| Mounting Bushing Length | 7.92 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 3549S-1AA-501A PRIMARY | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
NSN 5905-01-665-9177 is a Resistor,variable,wire Wound,pre, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-665-9177 has 1 manufacturer part number on file: 3549S-1AA-501A (Bourns, Inc. Dba Bourns Sensor Controls).
Key specifications for 3549S-1AA-501A: Maximum Running Torque: 0.7 INCH-OUNCES IN; Body Diameter: 22.479 MILLIMETERS NOMINAL MM; Lateral Runout: 0.13 MILLIMETERS MM; Electrical Resistance Per Section: 500.0 OHMS SINGLE SECTION. 17 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.