The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-260-7679, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clarostat Sensors and Controls. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-260-7679 |
| Primary Part Number | 73JA-25K |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| Maximum Running Torque | 1.50 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 25.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.2497 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Overall Diameter | 1.250 INCHES MAXIMUM IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 1.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.812 INCHES NOMINAL IN |
| Body Length | 0.200 INCHES MINIMUM IN |
| Maximum Stop Torque | 75.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 MINIMUM |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| 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 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 73JA-25K | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| 73JA-25K | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-260-7679 is a Resistor,variable,wire Wound,pre, manufactured by Clarostat Sensors and Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-260-7679 has 1 manufacturer part number on file: 73JA-25K (Clarostat Sensors and Controls).
Key specifications for 73JA-25K: Maximum Running Torque: 1.50 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 25.0 KILOHMS SINGLE SECTION. 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.
NSN 5905-01-260-7679 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.