The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-820-5933, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-820-5933 |
| Primary Part Number | 227891-1 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Maximum Running Torque | 0.10 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 20.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 SINGLE SECTION |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.1245 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM IN |
| Undercut Diameter | 0.74950 INCHES MINIMUM AND 0.75000 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Overall Diameter | 1.094 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.10 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8750 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Pilot Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Body Length | 0.781 INCHES NOMINAL IN |
| Pilot Length | 0.0620 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 | 1.2 HEAT SINK SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 352.0 MINIMUM AND 356.0 MAXIMUM |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 227891-1 PRIMARY | Raytheon Company (USA) |
NSN 5905-00-820-5933 is a Resistor,variable,wire Wound,pre, manufactured by Raytheon Company, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-820-5933 has 1 manufacturer part number on file: 227891-1 (Raytheon Company).
Key specifications for 227891-1: Maximum Running Torque: 0.10 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Electrical Resistance Per Section: 20.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0620 INCHES NOMINAL IN. 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.