The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-552-4454, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clarostat Sensors and Controls. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-00-552-4454 |
| Primary Part Number | T503B |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| Body Diameter | 0.790 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Terminal Location | FRONT END |
| Features Provided | GROUNDED CONTACT ARM |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Body Length | 0.340 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 0.5 HEAT SINK SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 290.0 NOMINAL |
| Screw Thread Diameter | 0.190 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNF |
| Actuator Travel Control Feature | STOPS |
| Resistance Temp Characteristic Range Per Section in Percent | +0.0 TO 7.0 -55 DEG CELSIUS SINGLE SECTION AND +0.0 TO 3.5 -25 DEG CELSIUS SINGLE SECTION AND +0.0 TO 2.0 0 DEG CELSIUS SINGLE SECTION AND -2.5 TO 2.5 85 DEG CELSIUS SINGLE SECTION AND +0.0 TO 5.5 120 DEG CELSIUS SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Rotary Actuator Travel in Angular Deg | 290.0 NOMINAL |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 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 |
|---|---|
| T503B PRIMARY | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| T503B | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-00-552-4454 is a Resistor,variable,nonwire Wound,, manufactured by Clarostat Sensors and Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-552-4454 has 1 manufacturer part number on file: T503B (Clarostat Sensors and Controls).
Key specifications for T503B: Body Diameter: 0.790 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 120.0 SINGLE SECTION. 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.