The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-021-2666, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Sprague Inc. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-021-2666 |
| Primary Part Number | 802-9655 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Undercut Width | 0.0730 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Undercut Diameter | 1.875 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.025 TO 0.025 SINGLE SECTION |
| Shaft End Play | 0.005 INCHES IN |
| Overall Diameter | 2.031 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 2.0000 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Pilot Diameter | 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN |
| Body Length | 2.062 INCHES NOMINAL IN |
| Shaft Runout | 0.002 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| Pilot Diameter Runout | 0.002 INCHES IN |
| Bearing Type | BALL SHAFT |
| 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 |
|---|---|
| 802-9655 | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| EPS315 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-021-2666 is a Resistor,variable,wire Wound,pre, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-021-2666 has 1 manufacturer part number on file: 802-9655 (Vishay Sprague Inc).
Key specifications for 802-9655: Body Diameter: 2.000 INCHES NOMINAL IN; Lateral Runout: 0.003 INCHES IN; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0930 INCHES NOMINAL IN. 29 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.