The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-104-8378, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-104-8378 |
| Primary Part Number | 305ASA10252 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Maximum Running Torque | 9.00 INCH-OUNCES IN |
| Body Diameter | 1.156 INCHES MAXIMUM IN |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 2.500 KILOHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 125.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| First Flat Length | 0.344 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 9.00 INCH-OUNCES IN |
| Terminal Location | REAR-BOTTOM |
| Features Provided | SWITCH |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Body Length | 0.812 INCHES MAXIMUM IN |
| Maximum Stop Torque | 192.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 2.25 FREE AIR SINGLE SECTION |
| Switch Type | ROTARY |
| Effective Electrical Rotation in Deg Angular Rotation | 292.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| 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 |
|---|---|
| 305ASA10252 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| JS1N048F252UA | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| JS1N048F252UA | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-01-104-8378 is a Resistor,variable,nonwire Wound,, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-104-8378 has 2 manufacturer part numbers on file: 305ASA10252 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), JS1N048F252UA (Clarostat Sensors and Controls).
Key specifications for 305ASA10252: Maximum Running Torque: 9.00 INCH-OUNCES IN; Body Diameter: 1.156 INCHES MAXIMUM IN; Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0. 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.