The Engine,diesel, cataloged under National Stock Number 2815-00-391-9495, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Motors Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-391-9495 |
| Primary Part Number | 6-71LD49A |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Strokes Per Cycle | 2 |
| Engine Overall Length | 63.000 INCHES NOMINAL IN |
| Engine Overall Width | 29.000 INCHES NOMINAL IN |
| Voltage in Volts | 24.0 |
| Crankshaft Rotation Direction | CLOCKWISE |
| Engine Overall Height | 38.000 INCHES NOMINAL IN |
| Piston Action Type | SINGLE ACTING |
| Starting Method | ELECTRICAL |
| Accessory Components and Quantity | AIR CLEANER 1,COOLER,FRESH WATER 1,COOLER,LUBRICATING OIL 1,FILTER,FUEL OIL 1,FILTER,LUBRICATING OIL 1,GOVERNOR 1,PAN,OIL 1,PUMP,FRESH WATER 1,PUMP,FUEL TRANSFER 1,PUMP,SEA WATER 1,TANK,EXPANSION,WATER 1 |
| Cylinder Quantity | 6 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 4.250 INCHES IN |
| Stroke Length | 5.000 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2815-00-391-9495 is a Engine,diesel, manufactured by General Motors Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-391-9495 has 2 manufacturer part numbers on file: 5171454 (Rolls-Royce Solutions America Inc), 6-71LD49A (General Motors Corp).
Key specifications for 6-71LD49A: Strokes Per Cycle: 2; Engine Overall Length: 63.000 INCHES NOMINAL IN; Engine Overall Width: 29.000 INCHES NOMINAL IN; Voltage in Volts: 24.0. 13 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.