The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-666-4097, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cae Usa Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-666-4097 |
| Primary Part Number | R18-502X |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Electrical Resistance Per Section | 5.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Function Conformity Tolerance Per Section | -0.35 TO 0.35 SINGLE SECTION |
| Tap Location From Ccw Terminal Per Section in Ohms | 2500.0 SINGLE SECTION |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.938 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 4.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CONTINUOUS MOTION |
| Resistance Tolerance Per Section in Percent | -1.0 TO 1.0 SINGLE SECTION |
| Terminal Type and Quantity | 4 SOLDER STUD |
| Rotary Actuator Travel in Angular Deg | 360.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| 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 |
|---|---|
| R18-502X PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| R18-502X | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5905-00-666-4097 is a Resistor,variable,wire Wound,pre, manufactured by Cae Usa Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-666-4097 has 1 manufacturer part number on file: R18-502X (Cae Usa Inc.).
Key specifications for R18-502X: Electrical Resistance Per Section: 5.000 KILOHMS SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.250 INCHES NOMINAL IN; Function Characteristic Per Section: SINGLE SECTION LINEAR. 23 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.