3010-12-342-5019 (077 01 08 5550770108)
3010-12-342-5019 is equivalent to manufacture part number 555. It is a shaft coupling half 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.