The Ring,piston, cataloged under National Stock Number 2815-00-377-2574, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Solutions America Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Rolls-Royce Solutions America Inc (CAGE 72582) |
| Parameter | Value |
|---|---|
| NSN | 2815-00-377-2574 |
| Primary Part Number | 5193482 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5193482 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 5160305 | Rolls-Royce Solutions America Inc (USA) |
| 5192772 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5192772 | 5/9 Secondary reference General Motors Corp |
| 5193482 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5193482 | 5/9 Secondary reference General Motors Corp |
| 5192772 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5160305 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5160305 | 5/9 Secondary reference General Motors Corp |
NSN 2815-00-377-2574 is a Ring,piston, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-377-2574 has 3 manufacturer part numbers on file: 5193482 (Rolls-Royce Solutions America Inc), 5160305 (Rolls-Royce Solutions America Inc), 5192772 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-092-4659. Verify interchangeability with system specifications before substitution.
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.