The Gearcase-Motor, cataloged under National Stock Number 3010-00-089-8804, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Miller-Holzwarth Inc.. Government technical data includes 27 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 | 3010-00-089-8804 |
| Primary Part Number | B4729 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Miller-Holzwarth Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | SINGLE INPUT |
| Shaft Diameter | 0.4995 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 60.0 INPUT |
| Shaft Center to Mounting Surface Distance | 2.625 INCHES SINGLE END IN |
| Angle of Shaft to Mounting Base | 90.0 DEGREES SINGLE END |
| Current Type | AC INPUT |
| Winding Type | INDUCTION-SPLIT PHASE |
| Geared Head Output Shaft Alignment Position | ANGLED TO ARMATURE/ROTOR AXIS SINGLE END |
| Cooling Method | SELF-VENTILATED |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE SINGLE END |
| Features Provided | HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION |
| Flatted Portion Length | 0.5000 INCHES NOMINAL SINGLE END IN |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 3.124 INCHES IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 3.376 INCHES IN |
| Length of Shaft From Housing | 1.000 INCHES SINGLE END IN |
| Speed Control Method and Device Type | AUTOMATIC MECHANICAL |
| Current Rating in Amps | 1.600 SINGLE OUTPUT |
| Enclosure Feature | OPEN PROTECTED |
| Current Rating Method | LOAD |
| Power Rating | 0.0500 HORSEPOWER OUTPUT |
| Shaft End Characteristic | A5 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Flat Depth | 0.0470 INCHES NOMINAL SINGLE END IN |
| Inclosure Specification | COMMERCIAL |
| 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 |
|---|---|
| B4729 PRIMARY | Miller-Holzwarth Inc. (USA) |
NSN 3010-00-089-8804 is a Gearcase-Motor, manufactured by Miller-Holzwarth Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-089-8804 has 1 manufacturer part number on file: B4729 (Miller-Holzwarth Inc.).
Key specifications for B4729: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: SINGLE INPUT; Shaft Diameter: 0.4995 INCHES NOMINAL SINGLE END IN. 27 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.