The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-087-0734, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-087-0734 |
| Primary Part Number | 4201R2KL0.25CT |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bei Sensors & Systems Company, Inc. Dba Bei Duncan |
| Status | ACTIVE |
| Maximum Running Torque | 0.40 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 2.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.1248 INCHES MAXIMUM IN |
| Undercut Diameter | 0.781 INCHES MAXIMUM IN |
| Fragility Factor | RUGGED |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Shaft End Play | 0.005 INCHES IN |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8750 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.375 INCHES NOMINAL IN |
| Pilot Diameter | 0.6250 INCHES NOMINAL IN |
| Body Length | 1.570 INCHES NOMINAL IN |
| Maximum Stop Torque | 128.00 INCH-OUNCES IN |
| Shaft Runout | 0.001 INCHES IN |
| 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 |
|---|---|
| 4201R2KL0.25CT PRIMARY | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
NSN 5905-01-087-0734 is a Resistor,variable,wire Wound,pre, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-087-0734 has 1 manufacturer part number on file: 4201R2KL0.25CT (Bei Sensors & Systems Company, Inc. Dba Bei Duncan).
Key specifications for 4201R2KL0.25CT: Maximum Running Torque: 0.40 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 2.0 KILOHMS SINGLE SECTION. 29 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.