The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-256-8488, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-256-8488 |
| Primary Part Number | 10243506 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Maximum Running Torque | 3.50 INCH-OUNCES IN |
| Body Diameter | 3.000 INCHES NOMINAL IN |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 20.0 KILOHMS 1ST SECTION AND 20.0 KILOHMS 2ND SECTION AND 20.0 KILOHMS 3RD SECTION AND 100.0 KILOHMS 4TH SECTION |
| Mounting Lip Depth | 0.09300 INCHES NOMINAL IN |
| Switch Voltage Rating in Volts | 50.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 165.0 ALL SECTIONS |
| Undercut Width | 0.07300 INCHES MINIMUM IN |
| Section Quantity | 4 |
| Shaft Diameter | 0.2498 INCHES NOMINAL IN |
| Undercut Diameter | 2.875 INCHES NOMINAL IN |
| Switch Operating Position | START OF ROTATION |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 ALL SECTIONS |
| Shaft End Play | 0.00100 INCHES IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 32 ALL SECTIONS |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 3.00000 INCHES NOMINAL IN |
| Features Provided | SWITCH |
| Shaft Style | ROUND |
| Actuator Type | DOUBLE ENDED SHAFT |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Pilot Diameter | 2.87500 INCHES NOMINAL IN |
| Body Length | 4.781 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.06200 INCHES NOMINAL 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 |
|---|---|
| 10243506 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 1800-840-1 | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
| Reference | Meaning |
|---|---|
| 10243506 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-256-8488 is a Resistor,variable,wire Wound,pre, manufactured by Us Army Aviation and Missile Command, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-256-8488 has 2 manufacturer part numbers on file: 10243506 (Us Army Aviation and Missile Command), 1800-840-1 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-275-7422. Verify interchangeability with system specifications before substitution.
Key specifications for 10243506: Maximum Running Torque: 3.50 INCH-OUNCES IN; Body Diameter: 3.000 INCHES NOMINAL IN; Lateral Runout: 0.003 INCHES IN; Electrical Resistance Per Section: 20.0 KILOHMS 1ST SECTION AND 20.0 KILOHMS 2ND SECTION AND 20.0 KILOHMS 3RD SECTION AND 100.0 KILOHMS 4TH 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.