The Ring Set,piston, cataloged under National Stock Number 2815-01-271-9792, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-271-9792 |
| Primary Part Number | 2DR674 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 2DR674 PRIMARY | Oshkosh Defense Llc (USA) |
| 3802110 PRIMARY | Cummins Inc. (USA) |
| DDR674 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 38012110 | 5/9 Secondary reference Cummins Inc. |
| 2DR674 | 5/9 Secondary reference Oshkosh Corp |
| 1241180H1 | C/1 Advisory reference — outside the item-of-supply concept Komatsu American Intl Co |
| DDR674 | 5/9 Secondary reference Oshkosh Corp |
| 2815012719792 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2815-01-271-9792 is a Ring Set,piston, manufactured by Oshkosh Defense Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-271-9792 has 3 manufacturer part numbers on file: 2DR674 (Oshkosh Defense Llc), 3802110 (Cummins Inc.), DDR674 (Oshkosh Defense Llc).
Key specifications for 2DR674: Piston Accommodation Quantity: 1; End Item Identification: 2320-01-230-0307. 1 specification is 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.