The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-090-2998, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-090-2998 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.30 INCH-OUNCES IN |
| Body Diameter | 1.062 INCHES NOMINAL IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 10.0 KILOHMS 1ST SECTION AND 20.0 KILOHMS 2ND SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Switch Voltage Rating in Volts | 12.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.975 INCHES MAXIMUM IN |
| Switch Operating Position | START OF ROTATION |
| Function Characteristic Per Section | 1ST SECTION 180 DEG SINE AND 2ND SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -1.50 TO 1.50 1ST SECTION AND -0.50 TO 0.50 2ND SECTION |
| Shaft End Play | 0.003 INCHES IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.30 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 1ST SECTION AND 3 2ND SECTION |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -300.0 TO 300.0 1ST SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.0620 INCHES NOMINAL IN |
| Features Provided | SWITCH |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Pilot Diameter | 0.9688 INCHES NOMINAL IN |
| Body Length | 1.900 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0620 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 |
| Reference | Meaning |
|---|---|
| 6757-2011 | 3/9 Design control — primary reference Recon/optical, Inc. |
| 1320-1047 | 5/9 Secondary reference Bei Sensors & Systems Company, Inc. Dba Bei Duncan |
| 6757-2011 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-090-2998 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-090-2998: Maximum Running Torque: 0.30 INCH-OUNCES IN; Body Diameter: 1.062 INCHES NOMINAL IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 10.0 KILOHMS 1ST SECTION AND 20.0 KILOHMS 2ND 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.