The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-902-2909, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-902-2909 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Electrical Resistance Per Section | 20.000 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.058 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.182 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Body Height | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.088 INCHES MINIMUM IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 0.520 INCHES NOMINAL IN |
| Shaft Length | 0.025 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-R-27208/4 GOVERNMENT SPECIFICATION |
| Body Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 0.8 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 7200.0 MINIMUM AND 16200.0 MAXIMUM |
| Actuator Travel Control Feature | STOPS |
| Test Data Document | 81349-MILR27208-4 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 | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Rotary Actuator Travel in Angular Deg | 7200.0 MINIMUM AND 16200.0 MAXIMUM |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 85.0 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 |
| Reference | Meaning |
|---|---|
| 947147-1203 | C/1 Advisory reference — outside the item-of-supply concept Litton Systems Inc. Div Navigation Systems Division |
| 4171784-36 | 5/9 Secondary reference Raytheon Company Div Rmd Strategic |
| RT22C2L203 | 2/2 Government specification standardization U.S. Government activity |
| 381-1721-060 | C/1 Advisory reference — outside the item-of-supply concept Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| MILR27208-4 | 4/1 Identification reference U.S. Government activity |
NSN 5905-00-902-2909 is a Resistor,variable,wire Wound,non, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-00-959-1751. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-00-902-2909: Electrical Resistance Per Section: 20.000 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 150.0 SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 2. 26 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.