The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-138-5990, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-138-5990 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Body Diameter | 2.312 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Undercut Length | 0.344 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 25.000 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 340.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 0.031 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.500 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Shaft Style | ROUND, STEPPED |
| Actuator Type | DUAL CONCENTRIC |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Body Length | 1.375 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 50.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 300.0 NOMINAL |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Device Design Type | NONTURN AT 6:00 OCLOCKUNABLE TO DECODE |
| 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 |
| Reference | Meaning |
|---|---|
| 030987 | C/1 Advisory reference — outside the item-of-supply concept Miller Electric Mfg. Llc |
| 030987 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5905-01-138-5990 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-509-1539. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-138-5990: Body Diameter: 2.312 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Undercut Length: 0.344 INCHES NOMINAL IN; Electrical Resistance Per Section: 25.000 OHMS SINGLE SECTION. 28 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.