The Ring,piston, cataloged under National Stock Number 2815-01-018-0791, 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 Gmbh. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Navantia Sa Sme. Div Navantia Hq (CAGE 0141B); Navantia - Propulsion Y Energia Motores - Cartagena (CAGE 409BB); Rolls-Royce Solutions Gmbh (CAGE D8266); Detroit Diesel Corporation (CAGE 3B518) |
| Parameter | Value |
|---|---|
| NSN | 2815-01-018-0791 |
| Primary Part Number | 8690960040 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions Gmbh |
| 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 |
|---|---|
| 8690960040 | Navantia Sa Sme. Div Navantia Hq (ESP) |
| 8690960040 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| 8690960040 PRIMARY | Rolls-Royce Solutions Gmbh (DEU) |
| 8690960040 | Detroit Diesel Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8690960040 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2815-01-018-0791 is a Ring,piston, manufactured by Rolls-Royce Solutions Gmbh, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-018-0791 has 4 manufacturer part numbers on file: 8690960040 (Navantia Sa Sme. Div Navantia Hq), 8690960040 (Navantia - Propulsion Y Energia Motores - Cartagena), 8690960040 (Rolls-Royce Solutions Gmbh), 8690960040 (Detroit Diesel Corporation).
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.