The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-541-0259, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Undersea Warfare Ctr. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-541-0259 |
| Primary Part Number | 7647420 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Naval Undersea Warfare Ctr |
| Status | ACTIVE |
| Body Diameter | 0.906 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 2.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Undercut Width | 0.0570 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.781 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Mounting Method | CLAMP RING(S) |
| Supplementary Features | OVERALL LENGTH IS 1.000 INCH; 1 WATT; SINGLE-TURN IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8750 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Pilot Diameter | 0.7500 INCHES NOMINAL IN |
| Body Length | 0.810 INCHES MAXIMUM IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-01-541-0259 is a Resistor,variable,nonwire Wound,, manufactured by Naval Undersea Warfare Ctr, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-541-0259 has 2 manufacturer part numbers on file: 7647420 (Naval Undersea Warfare Ctr), 7647420 (Naval Sea Systems Command).
Key specifications for 7647420: Body Diameter: 0.906 INCHES MAXIMUM IN; Electrical Resistance Per Section: 2.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0620 INCHES NOMINAL IN; Undercut Width: 0.0570 INCHES MINIMUM IN. 22 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.