The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-642-3950, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-00-642-3950 |
| Primary Part Number | JD1N056F254UA |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 250.000 KILOHMS 1ST SECTION AND 250.000 KILOHMS 2ND SECTION |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Overall Diameter | 1.062 INCHES NOMINAL IN |
| First Flat Length | 0.594 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 1ST SECTION AND -10.0 TO 10.0 2ND SECTION |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Flat Height | 0.216 INCHES NOMINAL IN |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Device Design Type | NONTURN AT 3:00 OCLOCKUNABLE TO DECODE |
| Device Design Type | NONTURN AT 9:00 OCLOCKUNABLE TO DECODE |
| 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 |
|---|---|
| JD1N056F254UA PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 7771940P430 | 5/9 Secondary reference General Electric Company |
NSN 5905-00-642-3950 is a Resistor,variable,nonwire Wound,, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-642-3950 has 1 manufacturer part number on file: JD1N056F254UA (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for JD1N056F254UA: Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 250.000 KILOHMS 1ST SECTION AND 250.000 KILOHMS 2ND SECTION; Section Quantity: 2; Shaft Diameter: 0.250 INCHES NOMINAL IN. 20 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.