The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-644-8987, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-644-8987 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.50 INCH-OUNCES IN |
| Electrical Resistance Per Section | 20.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.219 INCHES NOMINAL IN |
| Function Conformity Tolerance Per Section | -0.20 TO 0.20 SINGLE SECTION |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 2.00 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.250 INCHES NOMINAL IN |
| Tap Location Tolerance Per Section | -1.0 TO 1.0 DEG ANGULAR ROTATION SINGLE SECTION |
| Power Dissipation Rating Per Section in Watts | 4.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| 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 |
|---|---|
| RVC2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5905-00-644-8987 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-00-644-8987: Maximum Running Torque: 0.50 INCH-OUNCES IN; Electrical Resistance Per Section: 20.000 KILOHMS SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.219 INCHES NOMINAL IN. 18 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.