The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-503-8674, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Woodward, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-503-8674 |
| Primary Part Number | 1657-525 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Electrical Resistance Per Section | 1.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.115 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Terminal Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Body Height | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -250.0 TO 250.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Center to Center Distance Between Terminal Rows | 0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Shaft Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Body Length | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 750.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 7920.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 7920.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 85.0 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 |
|---|---|
| 1657-525 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1657-525 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| 5905PL0941705 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| RJ12CS102 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5905-00-503-8674 is a Resistor,variable,nonwire Wound,, manufactured by Woodward, Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-503-8674 has 1 manufacturer part number on file: 1657-525 (Woodward, Inc.).
Key specifications for 1657-525: Electrical Resistance Per Section: 1.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.115 INCHES NOMINAL IN. 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.