The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-950-7246, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-950-7246 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Body Diameter | 2.099 INCHES MINIMUM AND 2.151 INCHES MAXIMUM IN |
| Lateral Runout | 0.001 INCHES IN |
| Electrical Resistance Per Section | 20.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0680 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 SINGLE SECTION |
| Undercut Width | 0.0700 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES MAXIMUM IN |
| Undercut Diameter | 1.9375 INCHES MINIMUM AND 1.9385 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 |
| Shaft End Play | 0.006 INCHES IN |
| Overall Diameter | 2.099 INCHES MINIMUM AND 2.151 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -30.0 TO 30.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.9900 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-R-8903 GOVERNMENT SPECIFICATION |
| Pilot Diameter | 1.9360 INCHES MINIMUM AND 1.9370 INCHES MAXIMUM IN |
| Body Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Pilot Length | 0.0290 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 4.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 319.0 MINIMUM AND 321.0 MAXIMUM |
| Pilot Diameter Runout | 0.001 INCHES 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 |
|---|---|
| RRL16B203 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-8903 | 4/1 Identification reference U.S. Government activity |
NSN 5905-00-950-7246 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-00-950-9230. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-00-950-7246: Body Diameter: 2.099 INCHES MINIMUM AND 2.151 INCHES MAXIMUM IN; Lateral Runout: 0.001 INCHES IN; Electrical Resistance Per Section: 20.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0680 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM 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.