The Ring Set,piston, cataloged under National Stock Number 2815-01-020-7192, 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.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-01-020-7192 |
| Primary Part Number | 3278723 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING TOP,201650,CUMMINS ENGINE CO,1 AND RING COMPRESSION,208990,CUMMINS ENGINE CO,1 AND RING,OIL,201645,CUMMINS ENGINE CO 1 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 4.625 INCHES IN |
| 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 |
|---|---|
| 3278723 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| AR61500 | 5/9 Secondary reference Cummins Inc. |
NSN 2815-01-020-7192 is a Ring Set,piston, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-020-7192 has 1 manufacturer part number on file: 3278723 (Cummins Inc.).
Key specifications for 3278723: Ring Set Component Parts: COMPRESSION RING TOP,201650,CUMMINS ENGINE CO,1 AND RING COMPRESSION,208990,CUMMINS ENGINE CO,1 AND RING,OIL,201645,CUMMINS ENGINE CO 1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 4.625 INCHES IN. 3 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.