The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-249-5550, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-249-5550 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Body Diameter | 8.090 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 20.0 |
| Electrical Resistance Per Section | 150.000 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 390.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.373 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Overall Diameter | 8.645 INCHES MAXIMUM IN |
| First Flat Length | 1.500 INCHES MINIMUM IN |
| Terminal Length | 0.555 INCHES MAXIMUM IN |
| Mounting Method | THREADED HOLE(S) |
| Maximum Starting Torque | 160.00 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.953 INCHES MINIMUM AND 2.047 INCHES MAXIMUM IN |
| Body Length | 2.250 INCHES MAXIMUM IN |
| Maximum Stop Torque | 240.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 500.0 HEAT SINK SINGLE SECTION |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Actuator Travel Control Feature | STOPS |
| 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 | 320.0 MINIMUM AND 330.0 MAXIMUM |
| Flat Height | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5159903 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Solutions America Inc |
| 5159903 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp |
| 5159903 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Delco Products Div Machine Control Systems |
| M0DELR150-0HMSSPEC11244 | C/1 Advisory reference — outside the item-of-supply concept Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| MIL-PRF-22/12 | 4/1 Identification reference U.S. Government activity |
| MILR22-12 | 5/9 Secondary reference U.S. Government activity |
| RP451FJ151KK | 5/9 Secondary reference U.S. Government activity |
| M22/12-00151FJ | 2/2 Government specification standardization U.S. Government activity |
NSN 5905-00-249-5550 is a Resistor,variable,wire Wound,non, classified under FSC 5905, Resistor. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 5905-00-280-0801, 5905-00-581-6843, 5905-00-728-4283. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-00-249-5550: Body Diameter: 8.090 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 20.0; Electrical Resistance Per Section: 150.000 OHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 390.0 SINGLE SECTION. 28 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.