The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-681-8245, 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 14 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 | 5905-01-681-8245 |
| Primary Part Number | 6639S-1-103 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns Inc |
| Status | ACTIVE |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Lateral Runout | 0.08 MILLIMETERS MM |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Shaft End Play | 0.13 MILLIMETERS MM |
| Maximum Starting Torque | 0.40 CENTIMETER-GRAMS CM |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Body Length | 0.443 INCHES NOMINAL IN |
| Maximum Stop Torque | 22.6 CENTIMETER-GRAMS CM |
| Shaft Runout | 0.13 MILLIMETERS MM |
| Pilot Diameter Runout | 0.06 MILLIMETERS MM |
| Shaft Radial Play | 0.13 MILLIMETERS MM |
| Mechanical Backlash in Deg Angular Rotation | 0.1 |
| Resistance Tolerance Per Section in Percent | -15.0 TO 15.0 ALL SECTIONS |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6639S-1-103 PRIMARY | Bourns Inc (USA) |
NSN 5905-01-681-8245 is a Resistor,variable,wire Wound,non, manufactured by Bourns Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-681-8245 has 1 manufacturer part number on file: 6639S-1-103 (Bourns Inc).
Key specifications for 6639S-1-103: Body Diameter: 0.875 INCHES NOMINAL IN; Lateral Runout: 0.08 MILLIMETERS MM; Body Style: CYLINDRICAL BUSHING MOUNTED; Shaft End Play: 0.13 MILLIMETERS MM. 14 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.