The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-022-4257, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-022-4257 |
| Primary Part Number | 676948C1 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1100 INCHES NOMINAL AND 0.0850 INCHES NOMINAL AND 0.2480 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance Between Pin Bosses | 1.500 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 5.305 INCHES NOMINAL IN |
| Ring Groove Diameter | 5.034 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance From Pin Hole Center to Extreme Top | 3.945 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | DOME |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pinhole Diameter | 2.0000 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Skirt Type | SOLID |
| Cut Depth | 1.080 INCHES NOMINAL 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 |
|---|---|
| 676948C1 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 676948C1 | 5/9 Secondary reference U.S. Government activity |
| 676948C1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 2815-01-022-4257 is a Piston,internal Combustion Engin, manufactured by Dressta North America Ltd, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-022-4257 has 1 manufacturer part number on file: 676948C1 (Dressta North America Ltd).
Key specifications for 676948C1: Overall Height: 5.534 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1100 INCHES NOMINAL AND 0.0850 INCHES NOMINAL AND 0.2480 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Distance Between Pin Bosses: 1.500 INCHES NOMINAL IN. 21 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.