The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-660-7576, 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 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-00-660-7576 |
| Primary Part Number | 78-2-1-504 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Screw Thread Quantity Per Inch | 28.0 |
| Electrical Resistance Per Section | 500.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Contact Arm Electrical Off Position | FULLY CW |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.300 INCHES MAXIMUM IN |
| Body Height | 0.360 INCHES MAXIMUM IN |
| Maximum Starting Torque | 7.50 INCH-OUNCES IN |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -800.0 TO 50.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.300 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Shaft Length | 0.030 INCHES NOMINAL IN |
| Body Length | 1.340 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.700 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.216 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNF |
| 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 |
|---|---|
| 78-2-1-504 PRIMARY | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 235P1-504 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-660-7576 is a Resistor,variable,wire Wound,non, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-660-7576 has 1 manufacturer part number on file: 78-2-1-504 (Vishay Sprague Inc).
Key specifications for 78-2-1-504: Overall Height: 0.800 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 28.0; Electrical Resistance Per Section: 500.000 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION. 27 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.