The Crown,piston,internal Combustion, cataloged under National Stock Number 2815-01-421-8604, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is The Boeing Company. 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 | 2815-01-421-8604 |
| Primary Part Number | 4277852 |
| Item Name | Crown,piston,internal Combustion |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 4277852 PRIMARY | The Boeing Company (USA) |
NSN 2815-01-421-8604 is a Crown,piston,internal Combustion, manufactured by The Boeing Company, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-421-8604 has 1 manufacturer part number on file: 4277852 (The Boeing Company).
Key specifications for 4277852: End Item Identification: USED ON RAF CH-47 CHINOOK HELICOPTER. 0 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.