The Engine,diesel, cataloged under National Stock Number 2815-01-057-6446, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-057-6446 |
| Primary Part Number | 21100 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Strokes Per Cycle | 4 |
| Crankshaft Rotation Direction | COUNTERCLOCKWISE |
| Piston Action Type | SINGLE ACTING |
| Starting Method | ELECTRICAL |
| Accessory Components and Quantity | FUEL FILTER 1,FUEL INJECTION PUMP 1 |
| Cylinder Quantity | 4 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 3.875 INCHES IN |
| Stroke Length | 5.000 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21100 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 338737 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 263906 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| LD70121 | 5/9 Secondary reference Perkins Engines Inc |
NSN 2815-01-057-6446 is a Engine,diesel, manufactured by Perkins Engines Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-057-6446 has 1 manufacturer part number on file: 21100 (Perkins Engines Inc).
Key specifications for 21100: Strokes Per Cycle: 4; Crankshaft Rotation Direction: COUNTERCLOCKWISE; Piston Action Type: SINGLE ACTING; Starting Method: ELECTRICAL. 9 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.