The Engine,diesel, cataloged under National Stock Number 2815-01-018-0637, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-018-0637 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Strokes Per Cycle | 2 |
| Reduction Gear Ratio | 4.5 TO 1 |
| Main Power Takeoff Rotation Direction | CLOCKWISE |
| Crankshaft Rotation Direction | CLOCKWISE |
| Piston Action Type | SINGLE ACTING |
| Starting Method | HYDRAULIC |
| Accessory Components and Quantity | AIR CLEANER 1,ALARM SYSTEM FOR HIGH WATER TEMP AND LOW LUBRICATING OIL PRESSURE WITH 12 V BELL 1,AIR HEATER AND PUMP 1,BLOWER ASSY 1,CRANKSHAFT PULLEY 1,FUEL FILTER,PRIMARY 1,FUEL FILTER,SECONDARY 1,FUELINJECTOR N70 12,GEAR ASSY,MARINE HYDRAULIC,TWIN DISC MODEL MG514 1,GENERATOR 1,GOVERNOR 1,HEAT EXCHANGER 1,INSTRUMENT PANEL PACKAGE 1,PUMP,FRESH WATER 1,PUMP,FUEL TRANSFER 1,PUMP,RAW WATER 1,TACHOMETER CABLE PACKAGE 1 V |
| Cylinder Quantity | 12 |
| Cylinder Arrangement | SINGLE V-TYPE |
| Standard Bore Diameter | 4.250 INCHES IN |
| Stroke Length | 5.000 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 | N |
| Reference | Meaning |
|---|---|
| 7122-7000 | 3/1 Design control — primary reference Rolls-Royce Solutions America Inc |
| 5122980 | 5/1 Secondary reference Rolls-Royce Solutions America Inc |
NSN 2815-01-018-0637 is a Engine,diesel, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-01-018-0637: Strokes Per Cycle: 2; Reduction Gear Ratio: 4.5 TO 1; Main Power Takeoff Rotation Direction: CLOCKWISE; Crankshaft Rotation Direction: CLOCKWISE. 12 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.