The Ring Set,piston, cataloged under National Stock Number 2815-01-666-2500, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. 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 | 2815-01-666-2500 |
| Primary Part Number | 4309258 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| 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 |
|---|---|
| 4309258 PRIMARY | Cummins Inc. (USA) |
NSN 2815-01-666-2500 is a Ring Set,piston, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-666-2500 has 1 manufacturer part number on file: 4309258 (Cummins Inc.).
Key specifications for 4309258: End Item Identification: 1940016158699. 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.