The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-583-7239, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unisys Corporation Dba Unisys 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-583-7239 |
| Primary Part Number | DRA38525 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Unisys Corporation Dba Unisys Corp |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 50.000 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.06200 INCHES NOMINAL IN |
| Undercut Width | 0.09300 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Mounting Facility Quantity | 3 |
| Shaft Diameter | 0.250 INCHES MAXIMUM IN |
| Undercut Diameter | 1.812 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.10 TO 0.10 SINGLE SECTION |
| Mounting Hole/stud Circle Diameter | 1.250 INCHES NOMINAL IN |
| Angle Between Centerlines of Mounting Holes in Deg | 120.0 |
| Mounting Method | CLAMP RING(S) AND THREADED HOLE(S) |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.87500 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Angle of Mounting Hole in Deg | 30.0 |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.751 INCHES NOMINAL IN |
| Pilot Diameter | 0.75000 INCHES MAXIMUM IN |
| Body Length | 2.062 INCHES NOMINAL IN |
| Pilot Length | 0.06200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| Screw Thread Diameter | 0.164 INCHES NOMINAL IN |
| Bearing Type | BEARING SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-00-583-7239 is a Resistor,variable,wire Wound,pre, manufactured by Unisys Corporation Dba Unisys Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-583-7239 has 2 manufacturer part numbers on file: DRA38525 (Unisys Corporation Dba Unisys Corp), BS227 (Sensor Systems, L.l.c. Dba Sensor Systems Llc).
Key specifications for DRA38525: Body Diameter: 2.000 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 50.000 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.06200 INCHES NOMINAL IN. 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.