The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-039-6630, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-039-6630 |
| Primary Part Number | X201RS503-10PCT |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Cts Corp Electromechanical Div |
| Status | ACTIVE |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Section Quantity | 1 |
| Body Style | RECTANGULAR |
| Mounting Method | TAB |
| Body Width | 0.594 INCHES NOMINAL IN |
| Body Height | 0.797 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Body Length | 0.156 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 260.0 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 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 260.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 55.0 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 |
|---|---|
| 10046-3 | Giga-Tronics Incorporated Dba Giga-Tronics (USA) |
| X201RS503-10PCT PRIMARY | Cts Corp Electromechanical Div (USA) |
| Reference | Meaning |
|---|---|
| X201RS503-10PCT | 3/9 Design control — primary reference Cts Corp |
| X-201-RS503B | C/1 Advisory reference — outside the item-of-supply concept Cts Corp |
NSN 5905-01-039-6630 is a Resistor,variable,nonwire Wound,, manufactured by Cts Corp Electromechanical Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-039-6630 has 2 manufacturer part numbers on file: 10046-3 (Giga-Tronics Incorporated Dba Giga-Tronics), X201RS503-10PCT (Cts Corp Electromechanical Div).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-266-8529. Verify interchangeability with system specifications before substitution.
Key specifications for X201RS503-10PCT: Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 100.0 SINGLE SECTION; Section Quantity: 1; Body Style: RECTANGULAR. 19 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.