The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-930-9322, 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 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-930-9322 |
| Primary Part Number | 4025893-1 |
| 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 | 0.1000 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.1300 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1300 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.2530 INCHES NOMINAL FOURTH RING IN |
| Distance Between Pin Bosses | 1.625 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 4.240 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.795 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance From Pin Hole Center to Extreme Top | 3.150 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | CAVITY |
| Ring Groove Quantity | 4 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.5000 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| 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 |
NSN 2815-00-930-9322 is a Piston,internal Combustion Engin, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-930-9322 has 2 manufacturer part numbers on file: 4025893-1 (Agco Corp Parts Opn), 4025893 (Agco Corp Parts Opn).
Key specifications for 4025893-1: Overall Height: 5.830 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1000 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.1300 INCHES NOMINAL SECOND RING IN. 24 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.