The Ring Set,piston, cataloged under National Stock Number 2815-01-673-7665, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-673-7665 |
| Primary Part Number | 714870-22542 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center |
| Status | ACTIVE |
| Bore Diameter Oversize | 0.25 INCHES IN |
| Piston Accommodation Quantity | 1 |
| 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 |
|---|---|
| 714870-22542 | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center (USA) |
| Reference | Meaning |
|---|---|
| 714870-22542 | 3/9 Design control — primary reference Yanmar Diesel Engine Co. Ltd |
NSN 2815-01-673-7665 is a Ring Set,piston, manufactured by Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-673-7665 has 1 manufacturer part number on file: 714870-22542 (Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center).
Key specifications for 714870-22542: Bore Diameter Oversize: 0.25 INCHES IN; Piston Accommodation Quantity: 1; Part Name Assigned by Controlling Agency: RING SET,PISTON; End Item Identification: C50 ENGINE. 2 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.