The Ring,piston, cataloged under National Stock Number 2815-01-269-4525, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Man Diesel & Turbo Ltd (CAGE K8098); Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment (CAGE 26295) |
| Parameter | Value |
|---|---|
| NSN | 2815-01-269-4525 |
| Primary Part Number | ST039108 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| STD39108 | Man Diesel & Turbo Ltd (GBR) |
| ST039108 PRIMARY | Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment (USA) |
| Reference | Meaning |
|---|---|
| STD39108 | 5/9 Secondary reference Paxman Diesels Ltd |
| ST039108 | 5/9 Secondary reference Paxman Diesels Ltd |
| ST039108 | 5/9 Secondary reference Man Diesel & Turbo Ltd |
NSN 2815-01-269-4525 is a Ring,piston, manufactured by Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-269-4525 has 2 manufacturer part numbers on file: STD39108 (Man Diesel & Turbo Ltd), ST039108 (Curtis Engine & Equipment Company, Inc. Dba Curtis Engine & Equipment).
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.