The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-052-2891, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cts Corp Electromechanical Div. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-052-2891 |
| Primary Part Number | PM-45-25K7/8FLATTED SHAFT |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Cts Corp Electromechanical Div |
| Status | ACTIVE |
| Body Diameter | 0.938 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 25.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 85.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| First Flat Length | 0.625 INCHES NOMINAL IN |
| Mounting Method | TAB |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Body Length | 0.453 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 300.0 NOMINAL |
| Flat Height | 0.156 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 55.0 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 |
|---|---|
| PM-45-25K7/8FLATTED SHAFT | Cts Corp Electromechanical Div (USA) |
| Reference | Meaning |
|---|---|
| PM-45-25K7/8FLATTED SHAFT | 5/9 Secondary reference Cts Corp |
| 044-179 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5905-00-052-2891 is a Resistor,variable,nonwire Wound,, manufactured by Cts Corp Electromechanical Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-052-2891 has 1 manufacturer part number on file: PM-45-25K7/8FLATTED SHAFT (Cts Corp Electromechanical Div).
1 possible match (shared part number, not a government interchangeability claim): 5965-01-617-4350. Verify interchangeability with system specifications before substitution.
Key specifications for PM-45-25K7/8FLATTED SHAFT: Body Diameter: 0.938 INCHES NOMINAL IN; Electrical Resistance Per Section: 25.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 SINGLE SECTION; Section Quantity: 1. 23 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.