2815-00-517-9830 (H-1840)
2815-00-517-9830 is equivalent to manufacture part number H-1840. It is a piston ring and is classified under Federal Supply Class 2815 (2815 - Diesel Engines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2815 - Diesel Engines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.