The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-171-9345, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Intertechnology, Inc.. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-171-9345 |
| Primary Part Number | 1240-W-1K-5PCT |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Intertechnology, Inc. |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 1.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.070 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Terminal Length | 0.200 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.175 INCHES NOMINAL IN |
| Body Height | 0.250 INCHES NOMINAL IN |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Location | REAR END |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.035 INCHES NOMINAL IN |
| Body Length | 0.250 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| 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 |
|---|---|
| 1240-W-1K-5PCT PRIMARY | Vishay Intertechnology, Inc. (USA) |
| 1240W1K PRIMARY | Vishay Intertechnology, Inc. (USA) |
| 41579-032-00-8 | Bae Systems Maritime Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 41579-032-00-8 | 5/9 Secondary reference British Aerospace Defence Systems Ltd T/a Bae Systems |
NSN 5905-01-171-9345 is a Resistor,variable,nonwire Wound,, manufactured by Vishay Intertechnology, Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-171-9345 has 3 manufacturer part numbers on file: 1240-W-1K-5PCT (Vishay Intertechnology, Inc.), 1240W1K (Vishay Intertechnology, Inc.), 41579-032-00-8 (Bae Systems Maritime Services Limited).
Key specifications for 1240-W-1K-5PCT: Maximum Running Torque: 3.00 INCH-OUNCES IN; Electrical Resistance Per Section: 1.000 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1. 24 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.