The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-249-9937, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Sprague Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-249-9937 |
| Primary Part Number | 534PAN503 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 50.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Body Length | 0.750 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 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 |
|---|---|
| 534PAN503 PRIMARY | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 534PAN503 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
NSN 5905-01-249-9937 is a Resistor,variable,wire Wound,pre, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-249-9937 has 1 manufacturer part number on file: 534PAN503 (Vishay Sprague Inc).
Key specifications for 534PAN503: Body Diameter: 0.875 INCHES NOMINAL IN; Electrical Resistance Per Section: 50.000 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION; Section Quantity: 1. 12 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.