The Engine,diesel, cataloged under National Stock Number 2815-00-470-7705, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-470-7705 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Reverse Speed Quantity | 1 |
| Strokes Per Cycle | 2 |
| Engine Overall Length | 59.250 INCHES NOMINAL IN |
| Reduction Gear Ratio | 1.52 TO 1 |
| Engine Overall Width | 29.688 INCHES NOMINAL IN |
| Main Power Takeoff Rotation Direction | CLOCKWISE |
| Crankshaft Rotation Direction | CLOCKWISE |
| Speed Range Quantity | 1 |
| Engine Overall Height | 36.250 INCHES NOMINAL IN |
| Piston Action Type | SINGLE ACTING |
| Starting Method | HYDRAULIC UNIT |
| Accessory Components and Quantity | AIR SILENCER 1; COLD STARTING AID 1; COOLER,FRESH WATER 1; COOLER,OIL 2; FILTER,FUEL OIL 1; FILTER,OIL 1; GOVERNOR,SPEED 1; INSTRUMENT PANEL W/INSTRUMENTS 1; PAN,OIL 1; PUMP,FRESH WATER 1; PUMP,FUEL 1; PUMP,OIL 2; PUMP,SEA WATER 1; STRAINER,OIL 1; TANK,EXPANSION 1 |
| Transmission Type | HYDRAULICALLY ACTUATED |
| Cylinder Quantity | 4 |
| Forward Speed Quantity Per Range | 1 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 3.875 INCHES IN |
| Stroke Length | 4.500 INCHES IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY ACCESSORY COMPONENTS AND QUANTITY,AND STARTING METHOD |
| 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 |
|---|---|
| 5042-4000 | 3/1 Design control — primary reference Rolls-Royce Solutions America Inc |
NSN 2815-00-470-7705 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): 2815-00-850-5108. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-00-470-7705: Reverse Speed Quantity: 1; Strokes Per Cycle: 2; Engine Overall Length: 59.250 INCHES NOMINAL IN; Reduction Gear Ratio: 1.52 TO 1. 19 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.