The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-064-4029, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Malwin Electronics Corp.. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-064-4029 |
| Primary Part Number | 1801-0090 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Malwin Electronics Corp. |
| Status | ACTIVE |
| Maximum Running Torque | 0.30 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 10.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Undercut Width | 0.0630 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.0935 INCHES MAXIMUM IN |
| Undercut Diameter | 0.400 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Shaft End Play | 0.005 INCHES IN |
| Precious Material | GOLD |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance 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 |
| Mounting Lip Diameter | 0.5000 INCHES NOMINAL IN |
| Features Provided | HERMETICALLY SEALED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Pilot Diameter | 0.3750 INCHES MAXIMUM IN |
| Body Length | 1.188 INCHES NOMINAL IN |
| Maximum Stop Torque | 20.00 INCH-OUNCES IN |
| Shaft Runout | 0.003 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1801-0090 PRIMARY | Malwin Electronics Corp. (USA) |
| 1801-0090-1 | Malwin Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3750S-51103 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-064-4029 is a Resistor,variable,wire Wound,pre, manufactured by Malwin Electronics Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-064-4029 has 2 manufacturer part numbers on file: 1801-0090 (Malwin Electronics Corp.), 1801-0090-1 (Malwin Electronics Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-090-1506. Verify interchangeability with system specifications before substitution.
Key specifications for 1801-0090: Maximum Running Torque: 0.30 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Lateral Runout: 0.003 INCHES IN; Electrical Resistance Per Section: 10.0 KILOHMS 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.