The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-094-1663, 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 13 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-094-1663 |
| Primary Part Number | 23522497 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Surface Finish | FINISHED |
| Diameter | 4.250 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Head Style | CAVITY |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.5000 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | STEEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 23522497 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| PC5149982 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 5147650 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Solutions America Inc |
| 23516863 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| K-5149982 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 23509378 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 5149982 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 23509378 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5199350 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
NSN 2815-00-094-1663 is a Piston,internal Combustion Engin, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-094-1663 has 1 manufacturer part number on file: 23522497 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-078-8889. Verify interchangeability with system specifications before substitution.
Key specifications for 23522497: Overall Height: 6.000 INCHES NOMINAL IN; Surface Finish: FINISHED; Diameter: 4.250 INCHES NOMINAL IN; Pin: NOT INCLUDED. 13 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.