The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-137-3658, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-137-3658 |
| Primary Part Number | 051208 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Body Diameter | 0.525 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 25.0 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 340.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.812 INCHES NOMINAL IN |
| Body Length | 0.656 INCHES NOMINAL IN |
| Maximum Stop Torque | 80.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.250 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 | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 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 |
|---|---|
| 887C051208 | Northrop Grumman Systems Corporation (USA) |
| 051208 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887C051208 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5905-01-137-3658 is a Resistor,variable,wire Wound,non, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-137-3658 has 2 manufacturer part numbers on file: 887C051208 (Northrop Grumman Systems Corporation), 051208 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 6540-01-532-4794. Verify interchangeability with system specifications before substitution.
Key specifications for 051208: Maximum Running Torque: 3.00 INCH-OUNCES IN; Body Diameter: 0.525 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 25.0 OHMS SINGLE SECTION. 26 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.