The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-445-6571, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-00-445-6571 |
| Primary Part Number | 2052756-21 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 2.750 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 350.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 165.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.500 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -30.0 TO 30.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Body Length | 3.875 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 10800.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 10800.0 NOMINAL |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Device Design Type | ERR-030 AT 12:00 OCLOCKUNABLE TO DECODE |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 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 |
|---|---|
| 2052756-21 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| L161A | Electro-Mech Components, Inc. Dba Electro-Mech Components Inc (USA) |
| Reference | Meaning |
|---|---|
| 2052756-21 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 2052756-21 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 0161A | 5/9 Secondary reference Electro-Mech Components, Inc. Dba Electro-Mech Components Inc |
NSN 5905-00-445-6571 is a Resistor,variable,nonwire Wound,, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-445-6571 has 2 manufacturer part numbers on file: 2052756-21 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), L161A (Electro-Mech Components, Inc. Dba Electro-Mech Components Inc).
Key specifications for 2052756-21: Body Diameter: 2.750 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 350.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 165.0 SINGLE SECTION. 27 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.