The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-881-0366, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-881-0366 |
| Primary Part Number | 55-4-12-503 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.060 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES |
| Terminal Length | 0.188 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.190 INCHES NOMINAL IN |
| Body Height | 0.500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.075 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 0.520 INCHES NOMINAL IN |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Shaft Length | 0.030 INCHES MAXIMUM IN |
| Body Length | 0.500 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 8280.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 8280.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 SINGLE SECTION |
| 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 |
|---|---|
| 55-4-12-503 | Vishay Sprague Inc (USA) |
| A25A209-160-109 | Goodyear Tire and Rubber Co the (USA) |
| 55-9-115-503 | IV-Electronic Klaus Vespermann Kg (DEU) |
| 55-9-115-503 | Vishay Sprague Inc (USA) |
| 55-4-12-503 | IV-Electronic Klaus Vespermann Kg (DEU) |
| Reference | Meaning |
|---|---|
| A25A209-160-109 | 3/2 Design control — primary reference U.S. Government activity |
| A25A209-160-109 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 5905-00-881-0366 is a Resistor,variable,wire Wound,non, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-881-0366 has 5 manufacturer part numbers on file: 55-4-12-503 (Vishay Sprague Inc), A25A209-160-109 (Goodyear Tire and Rubber Co the), 55-9-115-503 (IV-Electronic Klaus Vespermann Kg), 55-9-115-503 (Vishay Sprague Inc), 55-4-12-503 (IV-Electronic Klaus Vespermann Kg).
Key specifications for 55-4-12-503: Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 2. 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.