The Piston and Ring Assembly, cataloged under National Stock Number 2815-01-623-9795, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-623-9795 |
| Primary Part Number | 714220-22720 |
| Item Name | Piston and Ring Assembly |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center |
| 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 |
|---|---|
| 714220-22720 | Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center (USA) |
| Reference | Meaning |
|---|---|
| 714220-22720 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
| 714220-22720 | C/1 Advisory reference — outside the item-of-supply concept Yanmar America Corporation |
NSN 2815-01-623-9795 is a Piston and Ring Assembly, manufactured by Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-623-9795 has 1 manufacturer part number on file: 714220-22720 (Yanmar Mastry Engine Center, Llc Dba Mastry Engine Center).
Key specifications for 714220-22720: Part Name Assigned by Controlling Agency: PISTON W/RINGS (D R; End Item Identification: DIESEL ENGINE. 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.