The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-050-8991, 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29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-050-8991 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.80 INCH-OUNCES IN |
| Nonturn Device Location | AT 3 OCLOCK |
| Body Diameter | 0.812 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 200.0 KILOHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.469 INCHES NOMINAL IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 ALL SECTIONS |
| Overall Diameter | 1.062 INCHES NOMINAL IN |
| Tap Location From Ccw Terminal Per Section in Ohms | 100000.0 ALL SECTIONS |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.000 INCHES NOMINAL IN |
| Body Length | 1.312 INCHES NOMINAL IN |
| Maximum Stop Torque | 64.00 INCH-OUNCES IN |
| Tap Location Tolerance Per Section | -1.0 TO 1.0 OHMS ALL SECTIONS |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| 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 |
|---|---|
| BA02010022 | 3/9 Design control — primary reference Crl Components Inc |
| BA147-013 | 5/9 Secondary reference Crl Components Inc |
| 311-0519-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-050-8991 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-050-8991: Maximum Running Torque: 0.80 INCH-OUNCES IN; Nonturn Device Location: AT 3 OCLOCK; Body Diameter: 0.812 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.