The Gearcase-Motor, cataloged under National Stock Number 3010-00-985-7957, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is American Trans-Coil Corp. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-985-7957 |
| Primary Part Number | 2300-113 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | American Trans-Coil Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | INTERMITTENT |
| Shaft Diameter | 0.2497 INCHES NOMINAL SINGLE END IN |
| Angle of Shaft to Mounting Base | 90.0 DEGREES SINGLE END |
| Current Type | DC INPUT |
| Winding Type | PERMANENT MAGNET |
| Geared Head Output Shaft Alignment Position | INLINE W/ARMATURE SINGLE END |
| Mounting Method | FLANGE |
| Cooling Method | AMBIENT AIR |
| Time Interval | 5.0 SECONDS MAXIMUM ON AND 9.9 MINUTES MINIMUM OFF |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE SINGLE END |
| Features Provided | VERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION |
| Mounting Facility Circle Diameter | 1.531 INCHES IN |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Connection Type and Voltage Rating in Volts | 24.0 LINE TO NEUTRAL SINGLE INPUT |
| Torque Rating and Type | 3.5 INCH-POUNDS RUNNING AND 15.9 INCH-POUNDS STALLED IN |
| Length of Shaft From Housing | 0.800 INCHES SINGLE END IN |
| Current Rating in Amps | 0.465 SINGLE OUTPUT |
| Enclosure Feature | TOTALLY ENCLOSED |
| Current Rating Method | LOAD |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Temp Rating | -40.0 OPERATING CELSIUS AND 110.0 OPERATING CELSIUS |
| Inclosure Specification | COMMERCIAL |
| Geared Head Output Shaft Speed Rating | 58.000 LOW REVOLUTIONS PER MINUTE AND 75.000 HIGH 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 |
| Part Number | Manufacturer |
|---|---|
| 666223-413 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| 2300-113 PRIMARY | American Trans-Coil Corp (USA) |
| 5A2871 PRIMARY | Globe Motors, Inc. Dba Allient Dayton (USA) |
| Reference | Meaning |
|---|---|
| 398453 | 5/9 Secondary reference U.S. Government activity |
| SMC502113 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-00-985-7957 is a Gearcase-Motor, manufactured by American Trans-Coil Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-985-7957 has 3 manufacturer part numbers on file: 666223-413 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 2300-113 (American Trans-Coil Corp), 5A2871 (Globe Motors, Inc. Dba Allient Dayton).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-110-8446. Verify interchangeability with system specifications before substitution.
Key specifications for 2300-113: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: INTERMITTENT; Shaft Diameter: 0.2497 INCHES NOMINAL SINGLE END IN; Angle of Shaft to Mounting Base: 90.0 DEGREES SINGLE END. 25 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.