The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-283-6440, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-283-6440 |
| Primary Part Number | 1JC1503-7 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Body Diameter | 0.880 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 10.0 KILOHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | SHAFT SEAL |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.620 INCHES NOMINAL IN |
| Body Length | 0.750 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 ALL SECTIONS |
| Terminal Type and Quantity | 6 SOLDER STUD |
| Rotary Actuator Travel in Angular Deg | 320.0 NOMINAL |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 ALL SECTIONS |
| 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 |
|---|---|
| 1JC1503-7 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| RV7-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-283-6440 is a Resistor,variable,wire Wound,non, manufactured by Westinghouse Electric Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-283-6440 has 1 manufacturer part number on file: 1JC1503-7 (Westinghouse Electric Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-642-0079, 5905-00-755-2422. Verify interchangeability with system specifications before substitution.
Key specifications for 1JC1503-7: Body Diameter: 0.880 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 10.0 KILOHMS ALL SECTIONS; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 100.0 ALL SECTIONS. 26 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.