The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-442-3405, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-442-3405 |
| Primary Part Number | 23503948 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Diameter | 3.865 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Head Style | CAVITY |
| Ring Groove Quantity | 3 |
| Ring | NOT INCLUDED |
| Material | IRON MALLEABLE |
| Skirt Type | FULL SPLIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23503948 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 2815-01-442-3405 is a Piston,internal Combustion Engin, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-442-3405 has 1 manufacturer part number on file: 23503948 (Rolls-Royce Solutions America Inc).
Key specifications for 23503948: Diameter: 3.865 INCHES NOMINAL IN; Pin: NOT INCLUDED; Head Style: CAVITY; Ring Groove Quantity: 3. 7 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.
NSN 2815-01-442-3405 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.