The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-289-1104, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-289-1104 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Retaining Ring Groove | INCLUDED |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | HUMP |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| 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 |
| Reference | Meaning |
|---|---|
| 570-12830 | 5/9 Secondary reference U.S. Government activity |
| 570-12840 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2815-01-289-1104 is a Piston,internal Combustion Engin, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-01-289-1104: Carbon Groove: NOT INCLUDED; Retaining Ring Groove: INCLUDED; Pin: NOT INCLUDED; Pin Type for Which Designed: FLOATING. 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.