The Gearcase-Motor, cataloged under National Stock Number 3010-01-258-5204, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-258-5204 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Shaft Diameter | 0.230 INCHES NOMINAL SINGLE END IN |
| Angle of Shaft to Mounting Base | 90.0 DEGREES SINGLE END |
| Current Type | DC INPUT |
| Winding Type | PERMANENT MAGNET |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Height | 1.906 INCHES IN |
| Geared Head Output Shaft Alignment Position | OFFSET ABOVE PARALLEL TO SHAFT AXIS SINGLE END |
| Mounting Method | FACE |
| Cooling Method | OIL |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE SINGLE END |
| Mounting Facility Circle Diameter | 2.688 INCHES IN |
| Connection Type and Voltage Rating in Volts | 12.0 LINE TO NEUTRAL SINGLE INPUT |
| Torque Rating and Type | 178.0 INCH-OUNCES RUNNING IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 1.906 INCHES IN |
| Length of Shaft From Housing | 1.000 INCHES SINGLE END IN |
| Enclosure Feature | GENERAL PURPOSE |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Inclosure Specification | COMMERCIAL |
| Geared Head Output Shaft Speed Rating | 60.000 SINGLE REVOLUTIONS PER MINUTE AND 75.000 SINGLE REVOLUTIONS PER MINUTE SINGLE END |
| 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 |
|---|---|
| 2606-004 | 3/9 Design control — primary reference Hurst Mfg Corp |
| 131165-004 | 5/2 Secondary reference U.S. Government activity |
| 131165 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3010-01-258-5204 is a Gearcase-Motor, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-292-0215, 6150-01-576-5900. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-258-5204: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Shaft Diameter: 0.230 INCHES NOMINAL SINGLE END IN; Angle of Shaft to Mounting Base: 90.0 DEGREES SINGLE END. 21 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.