The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-224-7977, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-224-7977 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 0.40 INCH-OUNCES IN |
| Body Diameter | 1.062 INCHES MAXIMUM IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 1.000 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Undercut Width | 0.0570 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.781 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Shaft End Play | 0.00500 INCHES IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8650 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-R-39023/1 GOVERNMENT SPECIFICATION |
| Pilot Diameter | 0.7500 INCHES NOMINAL IN |
| Body Length | 0.810 INCHES MAXIMUM IN |
| Shaft Runout | 0.002 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Pilot Diameter Runout | 0.00100 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| Shaft Radial Play | 0.001 INCHES IN |
| Actuator Travel Control Feature | CONTINUOUS MOTION |
| 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 |
|---|---|
| MIL-PRF-39023/1 | 4/1 Identification reference U.S. Government activity |
| RQ090AB11CC102 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-39023/1 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-224-7977 is a Resistor,variable,nonwire Wound,, classified under FSC 5905, Resistor. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 5905-01-267-2243, 5905-01-287-6601, 5905-01-310-9606. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-224-7977: Maximum Running Torque: 0.40 INCH-OUNCES IN; Body Diameter: 1.062 INCHES MAXIMUM IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 1.000 KILOHMS SINGLE SECTION. 30 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.