The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-067-3336, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 28 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-067-3336 |
| Primary Part Number | 08924891 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1000 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.1000 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1000 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Width | 0.1000 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.1880 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Width | 0.1880 INCHES NOMINAL SIXTH RING IN |
| Distance Between Pin Bosses | 2.750 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,NUMBER 5,NUMBER 6 PISTON ALL RINGS |
| Diameter | 5.750 INCHES NOMINAL IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL SIXTH RING IN |
| Ring Groove Diameter | 5.190 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 4.000 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | LOCKING |
| Oil Groove | NOT INCLUDED |
| Head Style | CAVITY |
| Ring Groove Quantity | 6 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 2.3950 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 |
|---|---|
| 08924891 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5149529 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5149981 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5199905 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5149655 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
NSN 2815-01-067-3336 is a Piston,internal Combustion Engin, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-067-3336 has 1 manufacturer part number on file: 08924891 (Rolls-Royce Solutions America Inc).
Key specifications for 08924891: Overall Height: 6.688 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1000 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.1000 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.