The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-228-7791, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Interstate Electronics 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-228-7791 |
| Primary Part Number | 499-021-031 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 500.0 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Shaft Bearing Type | SLEEVE |
| Nonturn Device Radius | 0.245 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Terminal Location | REAR END |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.531 INCHES NOMINAL IN |
| Body Length | 0.469 INCHES MAXIMUM IN |
| Maximum Stop Torque | 64.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 270.0 NOMINAL |
| 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 |
| Cubic Measure | 0.196 CUBIC INCHES |
| Actuator Travel Control Feature | STOPS |
| Resistance Temp Characteristic Range Per Section in Percent | +0.0 TO 7.0 -55 DEG CELSIUS SINGLE SECTION AND +0.0 TO 3.5 -25 DEG CELSIUS SINGLE SECTION AND +0.0 TO 2.0 0 DEG CELSIUS SINGLE SECTION AND -2.5 TO 2.5 85 DEG CELSIUS SINGLE SECTION AND +0.0 TO 5.5 120 DEG CELSIUS SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 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 |
|---|---|
| 499-021-031 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| WA2G034S501UA | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 107153 | C/1 Advisory reference — outside the item-of-supply concept Systron-Donner Corp Microwave/instrument Div |
NSN 5905-01-228-7791 is a Resistor,variable,nonwire Wound,, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-228-7791 has 1 manufacturer part number on file: 499-021-031 (L3harris Interstate Electronics Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1730-01-601-4660. Verify interchangeability with system specifications before substitution.
Key specifications for 499-021-031: Maximum Running Torque: 3.00 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 500.0 OHMS SINGLE SECTION. 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.