The Engine,diesel, cataloged under National Stock Number 2815-00-254-7264, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-254-7264 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Strokes Per Cycle | 4 |
| Engine Overall Length | 74.750 INCHES NOMINAL IN |
| Engine Overall Width | 43.500 INCHES NOMINAL IN |
| Main Power Takeoff Rotation Direction | COUNTERCLOCKWISE |
| Crankshaft Rotation Direction | COUNTERCLOCKWISE |
| Engine Overall Height | 65.500 INCHES NOMINAL IN |
| Piston Action Type | SINGLE ACTING |
| Starting Method | AIR |
| Accessory Components and Quantity | AIR CLEANER 1; COOLER,OIL 1; COOLER,INTAKE AIR 1; FILTER,FUEL 1; FILTER,OIL 1; GOVERNOR,SPEED 1; INSTRUMENT PANEL W/INSTRUMENTS 1; PUMP,FRESH WATER 1; PUMP,FUEL 2; PUMP,OIL 1; PUMP,SALT WATER 1; SPEED TRUP DEVICE 1 |
| Cylinder Quantity | 6 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 6.250 INCHES IN |
| Stroke Length | 8.000 INCHES IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY ACCESSORY COMPONENTS AND QUANTITY |
| 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 |
|---|---|
| D353E | 3/1 Design control — primary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2815-00-254-7264 is a Engine,diesel, classified under FSC 2815, Diesel Engines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2815-00-465-1898. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-00-254-7264: Strokes Per Cycle: 4; Engine Overall Length: 74.750 INCHES NOMINAL IN; Engine Overall Width: 43.500 INCHES NOMINAL IN; Main Power Takeoff Rotation Direction: COUNTERCLOCKWISE. 14 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.