The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-040-4016, 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 25 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-040-4016 |
| Primary Part Number | 2521128-3 |
| 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 |
| Electrical Resistance Per Section | 1.0 MEGOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.290 INCHES NOMINAL IN |
| Body Height | 0.344 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.093 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -300.0 TO 300.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Shaft Length | 0.050 INCHES NOMINAL IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 9000.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CLUTCH |
| 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 | 9000.0 NOMINAL |
| 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 |
|---|---|
| 2521128-3 | Raytheon Company (USA) |
| 2521128-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2521128-3 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2521128-3 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5905-01-040-4016 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 5905-01-040-4016 has 3 manufacturer part numbers on file: 2521128-3 (Raytheon Company), 2521128-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2521128-3 (Raytheon Company Dba Raytheon Co).
Key specifications for 2521128-3: Electrical Resistance Per Section: 1.0 MEGOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 2. 25 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.