The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-019-9106, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-019-9106 |
| Primary Part Number | AR6074000 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0950 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1250 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.1100 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 1.885 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE THIRD RING |
| Diameter | 4.615 INCHES NOMINAL IN |
| Ring Groove Diameter | 4.075 INCHES NOMINAL THIRD RING IN |
| Ring Groove Diameter | 4.168 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 4.168 INCHES NOMINAL SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.253 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | CAVITY |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.3750 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Groove Taper Angle | 7 DEG 30 MIN NO. 1 GROOVE |
| Cut Depth | 0.845 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 |
|---|---|
| AR6074000 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| AR60740 | 5/9 Secondary reference Cummins Inc. |
NSN 2815-01-019-9106 is a Piston,internal Combustion Engin, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-019-9106 has 1 manufacturer part number on file: AR6074000 (Cummins Inc.).
Key specifications for AR6074000: Overall Height: 3.955 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0950 INCHES NOMINAL SECOND RING IN; Ring Groove Width: 0.1250 INCHES NOMINAL FIRST RING IN. 27 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.