The Gearcase-Motor, cataloged under National Stock Number 3010-00-856-3741, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mackenzie Aircraft Parts, Inc. Dba Mackenzie Aircraft Parts Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-856-3741 |
| Primary Part Number | P28JAA0212A1XA08A |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Mackenzie Aircraft Parts, Inc. Dba Mackenzie Aircraft Parts Inc |
| 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 |
| Angle of Shaft to Mounting Base | 90.0 DEGREES SINGLE END |
| 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 |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Torque Rating and Type | 2.375 INCH-POUNDS RUNNING AND 1.25 INCH-POUNDS STARTING IN |
| Length of Shaft From Housing | 0.375 INCHES SINGLE END IN |
| Enclosure Feature | TOTALLY ENCLOSED |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Inclosure Specification | COMMERCIAL |
| Geared Head Output Shaft Speed Rating | 0.0333 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 |
|---|---|
| P28JAA0212A1XA08A PRIMARY | Mackenzie Aircraft Parts, Inc. Dba Mackenzie Aircraft Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| 117P | 5/9 Secondary reference Cramer Co Division of Chestnut Group Inc |
| P28JAA0212A1XA08A | 5/9 Secondary reference Cramer Co Division of Chestnut Group Inc |
| P1C7AB0212A1XA08A | 5/9 Secondary reference Cramer Co Division of Chestnut Group Inc |
| SEA08AA19CAB0242X | 3/9 Design control — primary reference Cramer Co Division of Chestnut Group Inc |
| 08940 REF # | 5/9 Secondary reference Cramer Co Division of Chestnut Group Inc |
NSN 3010-00-856-3741 is a Gearcase-Motor, manufactured by Mackenzie Aircraft Parts, Inc. Dba Mackenzie Aircraft Parts Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-856-3741 has 1 manufacturer part number on file: P28JAA0212A1XA08A (Mackenzie Aircraft Parts, Inc. Dba Mackenzie Aircraft Parts Inc).
1 possible match (shared part number, not a government interchangeability claim): 7330-01-440-9058. Verify interchangeability with system specifications before substitution.
Key specifications for P28JAA0212A1XA08A: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: SINGLE INPUT; Shaft Diameter: 0.1250 INCHES NOMINAL SINGLE END IN. 22 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.