The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-296-7521, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-296-7521 |
| Primary Part Number | 1809620 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Maximum Running Torque | 13.00 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 100.0 KILOHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 125.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Shaft Bearing Type | BEARING |
| Nonturn Device Radius | 0.250 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| First Flat Length | 0.250 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 13.00 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Features Provided | HUMIDITY PROOF AND 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 | 32.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Switch Type | ROTARY |
| Effective Electrical Rotation in Deg Angular Rotation | 290.0 MINIMUM AND 300.0 MAXIMUM |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Mechanical Backlash in Deg Angular Rotation | 3.0 |
| 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 |
|---|---|
| 1809620 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| WRS1N048F104U | 5/9 Secondary reference Clarostat Sensors and Controls |
| WRS1N048F104U | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-01-296-7521 is a Resistor,variable,nonwire Wound,, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-296-7521 has 1 manufacturer part number on file: 1809620 (Northrop Grumman Systems Corporation).
Key specifications for 1809620: Maximum Running Torque: 13.00 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0. 30 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.