The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-177-7399, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autek Systems Corp. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-177-7399 |
| Primary Part Number | 125-502 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Autek Systems Corp |
| Status | ACTIVE |
| Maximum Running Torque | 0.50 INCH-OUNCES IN |
| Body Diameter | 0.375 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Body Style | CYLINDRICAL |
| Overall Diameter | 0.375 INCHES MAXIMUM IN |
| Terminal Length | 0.375 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Terminal Location | REAR END |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Body Length | 0.375 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 280.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 280.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 85.0 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 |
|---|---|
| 125-502 | Autek Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 406-3888 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SV5021 | 3/9 Design control — primary reference Clarostat Sensors and Controls |
| SV5021 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 311-836 | 5/9 Secondary reference U.S. Government activity |
| 311-0836-00 | 5/9 Secondary reference U.S. Government activity |
| 178-50628-06 | C/1 Advisory reference — outside the item-of-supply concept Gte Communication Systems Corp |
| 125-502 | 5/9 Secondary reference Systron-Donner Corp Microwave/instrument Div |
NSN 5905-00-177-7399 is a Resistor,variable,nonwire Wound,, manufactured by Autek Systems Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-177-7399 has 1 manufacturer part number on file: 125-502 (Autek Systems Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4130-00-928-3626, 4320-01-185-2434. Verify interchangeability with system specifications before substitution.
Key specifications for 125-502: Maximum Running Torque: 0.50 INCH-OUNCES IN; Body Diameter: 0.375 INCHES MAXIMUM IN; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION. 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.