The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-528-5696, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-528-5696 |
| Primary Part Number | DE41224P |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Width | 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Width | 0.1270 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Width | 0.1875 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM FIFTH RING IN |
| Ring Groove Width | 0.1875 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM FOURTH RING IN |
| Distance Between Pin Bosses | 1.750 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 4.250 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.814 INCHES MINIMUM AND 3.824 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Diameter | 3.814 INCHES MINIMUM AND 3.824 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Diameter | 3.854 INCHES MINIMUM AND 3.864 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Diameter | 3.854 INCHES MINIMUM AND 3.864 INCHES MAXIMUM SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.740 INCHES MINIMUM AND 2.744 INCHES MAXIMUM IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.5012 INCHES MINIMUM AND 1.5015 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| 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 |
|---|---|
| 4341224 | Agco Corp Parts Opn (USA) |
| DE41224P PRIMARY | Agco Corp Parts Opn (USA) |
| 81828S4105-539859PC1-5-6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 81828S4105-539859PC1-5-6 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-528-5696 is a Piston,internal Combustion Engin, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-528-5696 has 3 manufacturer part numbers on file: 4341224 (Agco Corp Parts Opn), DE41224P (Agco Corp Parts Opn), 81828S4105-539859PC1-5-6 (Naval Sea Systems Command).
Key specifications for DE41224P: Overall Height: 5.500 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM SECOND RING IN; Ring Groove Width: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM THIRD RING IN. 28 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.