The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-679-9531, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is IV-Electronic Klaus Vespermann Kg. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-679-9531 |
| Primary Part Number | 502-0240 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | IV-Electronic Klaus Vespermann Kg |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 100.000 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.70 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -80.0 TO 80.0 SINGLE SECTION |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.718 INCHES NOMINAL IN |
| Body Length | 1.448 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 3600.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Mounting Bushing Length | 0.406 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 |
|---|---|
| 502-0240 | IV-Electronic Klaus Vespermann Kg (DEU) |
| 502-0240 | Vishay Sprague Inc (USA) |
| 3200-696 | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
| 500-488 | IV-Electronic Klaus Vespermann Kg (DEU) |
| Reference | Meaning |
|---|---|
| 381-1259-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 500-488 | 5/9 Secondary reference Vishay Sprague Inc |
| 381-1259-000 | 5/2 Secondary reference U.S. Government activity |
NSN 5905-00-679-9531 is a Resistor,variable,wire Wound,pre, manufactured by IV-Electronic Klaus Vespermann Kg, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-679-9531 has 4 manufacturer part numbers on file: 502-0240 (IV-Electronic Klaus Vespermann Kg), 502-0240 (Vishay Sprague Inc), 3200-696 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 500-488 (IV-Electronic Klaus Vespermann Kg).
3 possible matches (shared part number, not a government interchangeability claim): 5935-00-772-0498, 3110-01-228-0401, 6750-01-427-4715. Verify interchangeability with system specifications before substitution.
Key specifications for 502-0240: Maximum Running Torque: 0.60 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 100.000 OHMS SINGLE SECTION. 29 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.