2820-00-528-6354 (M0DB5AND6-7)
2820-00-528-6354 is equivalent to manufacture part number 1RT2-50. It is a piston ring and is classified under Federal Supply Class 2820 (2820 - Steam Engines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2820 - Steam Engines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.