The Gearcase-Motor, cataloged under National Stock Number 3010-00-593-8338, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-593-8338 |
| Primary Part Number | 9156876 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Duty Cycle | CONTINUOUS |
| Phase | TWO INPUT |
| Shaft Diameter | 0.1250 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 400.0 INPUT |
| Shaft Center to Mounting Surface Distance | 0.742 INCHES SINGLE END IN |
| Current Type | AC INPUT |
| Winding Type | SERIES WOUND |
| Geared Head Output Shaft Alignment Position | OFFSET ABOVE PARALLEL TO SHAFT AXIS SINGLE END |
| Cooling Method | AIR TO AIR COOLED |
| Shaft Rotation Direction | CLOCKWISE SINGLE END |
| Features Provided | VERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION |
| Connection Type and Voltage Rating in Volts | 57.5 LINE TO NEUTRAL LOW OR 115.0 LINE TO NEUTRAL HIGH INPUT |
| Torque Rating and Type | 45.0 INCH-OUNCES STALLED IN |
| Length of Shaft From Housing | 0.375 INCHES SINGLE END IN |
| Speed Control Method and Device Type | AUTOMATIC MECHANICAL |
| Current Rating Method | NO LOAD |
| Power Rating | 3.5000 WATTS OUTPUT |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Temp Rating | -54.0 OPERATING CELSIUS AND 75.0 OPERATING CELSIUS |
| 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 |
|---|---|
| 9156876 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| R303-1A | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-593-8338 is a Gearcase-Motor, manufactured by Us Army Aviation and Missile Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-593-8338 has 1 manufacturer part number on file: 9156876 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 3010-00-623-4200. Verify interchangeability with system specifications before substitution.
Key specifications for 9156876: Duty Cycle: CONTINUOUS; Phase: TWO INPUT; Shaft Diameter: 0.1250 INCHES NOMINAL SINGLE END IN; Frequency in Hertz: 400.0 INPUT. 19 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.