4810-00-781-3203 (61H-000-G2IT.15)
4810-00-781-3203 is equivalent to manufacture part number 100053-1. It is a piston ring and is classified under Federal Supply Class 4810 (4810 - Valves, Powered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4810 - Valves, Powered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.