The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-705-4823, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2815-00-705-4823 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1300 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 | 0.1800 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Width | 0.2520 INCHES NOMINAL FOURTH RING IN |
| Distance Between Pin Bosses | 2.188 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,AND NUMBER 4,AND NUMBER 5 PISTON ALL RINGS |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 5.552 INCHES NOMINAL IN |
| Ring Groove Diameter | 5.010 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Diameter | 5.010 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 5.010 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Diameter | 5.010 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 5.010 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 3.572 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pinhole Diameter | 1.7450 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| SD802A4021E | 5/9 Secondary reference Eagle Crusher Co Inc Dba Stedman Machine Co |
| SD802A4021E | 3/9 Design control — primary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
NSN 2815-00-705-4823 is a Piston,internal Combustion Engin, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-00-705-4823: Overall Height: 5.884 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1300 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.1300 INCHES NOMINAL SECOND 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.