3010-01-447-0664 (PL44616-121H)
3010-01-447-0664 is equivalent to manufacture part number 52578. It is a flexible coupling insert and is classified under Federal Supply Class 3010 (3010 - Torque Converters and Speed Changers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3010 - Torque Converters and Speed Changers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.