The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-110-6543, 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. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-110-6543 |
| Primary Part Number | 7771940P122 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Diameter | 1.156 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 25.000 KILOHMS 1ST SECTION AND 25.000 KILOHMS 2ND SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Fixed Tap Quantity Per Section | 1 ALL SECTIONS |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Body Length | 1.266 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR 1ST SECTION AND 0.83 FREE AIR 2ND SECTION |
| 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 |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Device Design Type | ERR-030 AT 9:00 OCLOCKUNABLE TO DECODE |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 ALL SECTIONS |
| 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 |
|---|---|
| 7771940P122 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| JD1L040S253UC | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| SM-C-331885-122 | 3/2 Design control — primary reference U.S. Government activity |
| C247916-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5905-00-110-6543 is a Resistor,variable,nonwire Wound,, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-110-6543 has 1 manufacturer part number on file: 7771940P122 (Lockheed Martin Corporation Div Rms).
Key specifications for 7771940P122: Body Diameter: 1.156 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 25.000 KILOHMS 1ST SECTION AND 25.000 KILOHMS 2ND SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 ALL SECTIONS. 24 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.