The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-979-4344, 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 30 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-979-4344 |
| Primary Part Number | 45-50K3/8LG SHAFT-FRGCSW |
| 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 |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 250.0 AND 125.0 |
| 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 |
| Shaft Bearing Type | SLEEVE |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 15.00 INCH-OUNCES IN |
| Terminal Location | REAR-BOTTOM |
| Features Provided | SWITCH |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.375 INCHES NOMINAL IN |
| Body Length | 0.719 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.3 HEAT SINK SINGLE SECTION |
| Switch Type | ROTARY |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -30.0 TO 30.0 SINGLE SECTION |
| Switch Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 320.0 NOMINAL |
| 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 |
|---|---|
| 45-50K3/8LG SHAFT-FRGCSW PRIMARY | Cts Corp Electromechanical Div (USA) |
| 2100-0107 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 2100-0107 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 2100-0107 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 317-121-107 | C/1 Advisory reference — outside the item-of-supply concept L3harris Interstate Electronics Corporation |
| 45-50K3/8LG SHAFT-FRGCSW | 3/9 Design control — primary reference Cts Corp |
| 5905009794344 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 470-50KPORM30PCT3/8LG SHAFTAE10 | 5/9 Secondary reference Clarostat Sensors and Controls |
NSN 5905-00-979-4344 is a Resistor,variable,nonwire Wound,, manufactured by Cts Corp Electromechanical Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-979-4344 has 2 manufacturer part numbers on file: 45-50K3/8LG SHAFT-FRGCSW (Cts Corp Electromechanical Div), 2100-0107 (Keysight Technologies Inc).
Key specifications for 45-50K3/8LG SHAFT-FRGCSW: Body Diameter: 0.938 INCHES NOMINAL IN; Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION. 30 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.