The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-502-2102, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-502-2102 |
| Primary Part Number | 71580B |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 5.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| First Flat Length | 0.219 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.5 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Flat Height | 0.216 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 |
|---|---|
| 71580B PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5905-00-502-2102 is a Resistor,variable,wire Wound,non, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-502-2102 has 1 manufacturer part number on file: 71580B (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 71580B: Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 5.000 KILOHMS SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.250 INCHES NOMINAL IN. 16 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.