The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-312-9889, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-312-9889 |
| Primary Part Number | 4171780-199 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Nonturn Device Location | AT 9 OCLOCK |
| Body Diameter | 1.220 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 35.000 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Contact Arm Electrical Off Position | FULLY CCW |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.250 INCHES NOMINAL IN |
| Body Length | 0.620 INCHES NOMINAL IN |
| Maximum Stop Torque | 128.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 290.0 MINIMUM AND 305.0 MAXIMUM |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Test Data Document | 81349-MIL-R-19-2 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 290.0 MINIMUM AND 305.0 MAXIMUM |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 SINGLE SECTION |
| 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 |
|---|---|
| 4171780-199 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| MILR19-2 | 5/9 Secondary reference U.S. Government activity |
| RA20NASG350A | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-19/2 | 4/1 Identification reference U.S. Government activity |
NSN 5905-00-312-9889 is a Resistor,variable,wire Wound,non, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-312-9889 has 1 manufacturer part number on file: 4171780-199 (Raytheon Company Div Rmd Strategic).
Key specifications for 4171780-199: Nonturn Device Location: AT 9 OCLOCK; Body Diameter: 1.220 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 35.000 OHMS SINGLE SECTION. 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.