6620-00-085-8907 (572-4-628)
6620-00-085-8907 is equivalent to manufacture part number 572-4-628. It is a indi expansion ring and is classified under Federal Supply Class 6620 (6620 - Engine Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6620 - Engine Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.