The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-100-4667, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-100-4667 |
| Primary Part Number | 00566800 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatz Diesel of America Inc |
| Status | ACTIVE |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Pin | INCLUDED |
| Oil Groove | INCLUDED |
| Head Style | CAVITY |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pin Hole Bushing | INCLUDED |
| Material | STEEL |
| Skirt Type | SOLID |
| 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 |
|---|---|
| 00566800 PRIMARY | Hatz Diesel of America Inc (USA) |
| Reference | Meaning |
|---|---|
| 00566900 | 5/9 Secondary reference Hatz Diesel of America Inc |
| 82099 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
NSN 2815-01-100-4667 is a Piston,internal Combustion Engin, manufactured by Hatz Diesel of America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-100-4667 has 1 manufacturer part number on file: 00566800 (Hatz Diesel of America Inc).
3 possible matches (shared part number, not a government interchangeability claim): 9540-01-300-2876, 5325-01-460-5623, 2530-01-668-4283. Verify interchangeability with system specifications before substitution.
Key specifications for 00566800: Retaining Ring Groove: INCLUDED; Surface Finish: FINISHED; Oil Passage Type: SLOT LOCATION NOT OTHERWISE SPECIFIED; Pin: INCLUDED. 11 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.