The Gearcase-Motor, cataloged under National Stock Number 3010-00-635-4638, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-635-4638 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | SINGLE INPUT |
| Shaft Diameter | 0.1250 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 60.0 INPUT |
| Current Type | AC INPUT |
| Winding Type | SYNCHRONOUS SHADED POLE |
| Geared Head Output Shaft Alignment Position | OFFSET ABOVE PARALLEL TO SHAFT AXIS SINGLE END |
| Mounting Method | FLANGE |
| Cooling Method | NONVENTILATED |
| Shaft Rotation Direction | CLOCKWISE SINGLE END |
| Features Provided | VERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION |
| Mounting Facility Circle Diameter | 1.875 INCHES IN |
| Flatted Portion Length | 0.3750 INCHES NOMINAL SINGLE END IN |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Torque Rating and Type | 3.0 INCH-OUNCES RUNNING AND 1.875 INCH-POUNDS STALLED AND 3.0 INCH-OUNCES STARTING IN |
| Length of Shaft From Housing | 0.828 INCHES SINGLE END IN |
| Enclosure Feature | DUSTPROOF |
| Shaft End Characteristic | A5 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Flat Depth | 0.0150 INCHES NOMINAL SINGLE END IN |
| Temp Rating | -55.0 OPERATING CELSIUS AND 55.0 OPERATING CELSIUS AND 65.0 AMBIENT CELSIUS |
| Inclosure Specification | COMMERCIAL |
| Geared Head Output Shaft Speed Rating | 1.000 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 |
|---|---|
| MA23 | 5/9 Secondary reference General Time Controls Inc |
| G231723PT1 | 5/9 Secondary reference At and T Corp |
| M17-M-054301-1164 | 7/9 Vendor item drawing reference U.S. Government activity |
| G231723PT1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| MA23S0118 | 3/9 Design control — primary reference General Time Controls Inc |
NSN 3010-00-635-4638 is a Gearcase-Motor, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6625-01-144-9292. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-00-635-4638: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: SINGLE INPUT; Shaft Diameter: 0.1250 INCHES NOMINAL SINGLE END IN. 24 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.