The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-159-6621, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-159-6621 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 1.00 INCH-OUNCES IN |
| Nonturn Device Location | AT 3 OCLOCK |
| Body Diameter | 0.960 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 200.0 OHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.359 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Overall Diameter | 1.178 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.750 INCHES NOMINAL IN |
| Body Length | 0.710 INCHES NOMINAL IN |
| Maximum Stop Torque | 128.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 3.0 FREE AIR 1ST SECTION |
| Power Dissipation Rating Per Section in Watts | 1.5 FREE AIR 2ND SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 310.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Test Data Document | 97942-579R644 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
|---|---|
| RTS7-8-286-6 | 5/2 Secondary reference U.S. Government activity |
| RTS7-8 286-6 | 5/9 Secondary reference Data Instruments Inc |
| RTS7-8 286-6 | 5/9 Secondary reference U.S. Government activity |
| 579R644H06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-00-159-6621 is a Resistor,variable,wire Wound,non, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-00-159-6621: Maximum Running Torque: 1.00 INCH-OUNCES IN; Nonturn Device Location: AT 3 OCLOCK; Body Diameter: 0.960 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0. 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.