The Engine,diesel, cataloged under National Stock Number 2815-01-568-9979, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Yanmar America Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-568-9979 |
| Primary Part Number | YANMAR 4LHA |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Yanmar America Corporation |
| Status | ACTIVE |
| Crankshaft Rotation Direction | COUNTERCLOCKWISE |
| Cylinder Quantity | 4 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 3.940 INCHES IN |
| Stroke Length | 4.330 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 |
| Part Number | Manufacturer |
|---|---|
| YANMAR 4LHA PRIMARY | Yanmar America Corporation (USA) |
| Reference | Meaning |
|---|---|
| YANMAR 4LHA | 3/9 Design control — primary reference Yanmar Diesel America Corp |
NSN 2815-01-568-9979 is a Engine,diesel, manufactured by Yanmar America Corporation, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-568-9979 has 1 manufacturer part number on file: YANMAR 4LHA (Yanmar America Corporation).
Key specifications for YANMAR 4LHA: Crankshaft Rotation Direction: COUNTERCLOCKWISE; Special Features: RUBBER TYPE FLEXIBLE MOUNTING; DIRECT INJECTION; TURBOCHARGED WITH INTERCOOLER; Cylinder Quantity: 4; Cylinder Arrangement: STRAIGHT IN-LINE. 5 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.