The Gearcase-Motor, cataloged under National Stock Number 3010-00-538-9307, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-538-9307 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | THREE INPUT |
| Frequency in Hertz | 60.0 INPUT |
| Current Type | AC INPUT |
| Winding Type | INDUCTION-SQUIRREL CAGE |
| Cooling Method | NATURAL CONVECTION VENTILATED |
| Features Provided | HORIZONTAL MOUNTING POSITION |
| Connection Type and Voltage Rating in Volts | 440.0 LINE TO NEUTRAL SINGLE INPUT |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 12.250 INCHES IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 14.000 INCHES IN |
| Enclosure Feature | DRIPPROOF PROTECTED-45 DEG |
| Power Rating | 25.0000 HORSEPOWER OUTPUT |
| Terminal Type and Quantity | 3 SOLDER LUG |
| Temp Rating | 40.0 OPERATING CELSIUS AND 55.0 AMBIENT CELSIUS |
| Reference Number Differentiating Characteristics | RIGHT HAND ASSEMBLY |
| Inclosure Specification | MIL-STD-108 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 23J618-32J619 | 5/1 Secondary reference Westinghouse Electric Corp |
| 32J618AND32J619 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 32J618AND32J619 | 3/1 Design control — primary reference Westinghouse Electric Corp |
| SER61552 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp |
NSN 3010-00-538-9307 is a Gearcase-Motor, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3010-00-538-9815. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-00-538-9307: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: THREE INPUT; Frequency in Hertz: 60.0 INPUT. 17 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.