The Gearcase-Motor, cataloged under National Stock Number 3010-01-157-8241, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 23 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 | 3010-01-157-8241 |
| Primary Part Number | 77C718021P001 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | INTERMITTENT |
| Phase | THREE INPUT |
| Shaft Diameter | 1.1245 INCHES NOMINAL IDENTICAL ENDS IN |
| Frequency in Hertz | 60.0 INPUT |
| Shaft Center to Mounting Surface Distance | 3.000 INCHES IDENTICAL ENDS IN |
| Current Type | AC INPUT |
| Winding Type | SERIES WOUND |
| Geared Head Output Shaft Alignment Position | OFFSET LEFT PARALLEL TO SHAFT AXIS FIRST END |
| Geared Head Output Shaft Alignment Position | OFFSET RIGHT PARALLEL TO SHAFT AXIS SECOND END |
| Cooling Method | NONVENTILATED |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE IDENTICAL ENDS |
| Features Provided | HORIZONTAL MOUNTING POSITION |
| Maximum Operating Altitude Rating | 15000.0 FEET FT |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 9.000 INCHES IN |
| Torque Rating and Type | 1749.0 INCH-POUNDS RUNNING IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 6.500 INCHES IN |
| Length of Shaft From Housing | 2.560 INCHES IDENTICAL ENDS IN |
| Current Rating in Amps | 3.960 SINGLE OUTPUT |
| Enclosure Feature | TOTALLY ENCLOSED |
| Current Rating Method | LOAD |
| Shaft End Characteristic | A30 SINGLE STYLE IDENTICAL ENDS |
| Inclosure Specification | MIL-STD-108 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77C718021P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 3010-01-157-8241 is a Gearcase-Motor, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-157-8241 has 1 manufacturer part number on file: 77C718021P001 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C718021P001: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: INTERMITTENT; Phase: THREE INPUT; Shaft Diameter: 1.1245 INCHES NOMINAL IDENTICAL ENDS IN. 23 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.
NSN 3010-01-157-8241 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.