The Gearcase-Motor, cataloged under National Stock Number 3010-00-804-4139, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-804-4139 |
| Primary Part Number | RG21270 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | SINGLE INPUT |
| Shaft Diameter | 0.2360 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 400.0 INPUT |
| Shaft Center to Mounting Surface Distance | 1.324 INCHES SINGLE END IN |
| Current Type | AC INPUT |
| Winding Type | INDUCTION-PERMANENT SPLIT CAPACITOR SPLIT PHASE |
| Geared Head Output Shaft Alignment Position | OFFSET BELOW PARALLEL TO SHAFT AXIS SINGLE END |
| Shaft Rotation Direction | COUNTERCLOCKWISE SINGLE END |
| Maximum Operating Altitude Rating | 60000.0 FEET FT |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Length of Shaft From Housing | 1.560 INCHES SINGLE END IN |
| Current Rating in Amps | 0.800 SINGLE OUTPUT |
| Enclosure Feature | EXPLOSION PROOF |
| Current Rating Method | NO LOAD |
| Power Rating | 0.0400 HORSEPOWER OUTPUT |
| Shaft End Characteristic | A28 SINGLE STYLE SINGLE END |
| Inclosure Specification | MIL-STD-108 |
| Geared Head Output Shaft Speed Rating | 4000.000 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 |
| Part Number | Manufacturer |
|---|---|
| RG21270 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3010-00-804-4139 is a Gearcase-Motor, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-804-4139 has 1 manufacturer part number on file: RG21270 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RG21270: Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: SINGLE INPUT; Shaft Diameter: 0.2360 INCHES NOMINAL SINGLE END IN. 20 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.