3445-00-356-8746 (1A1-2)
3445-00-356-8746 is equivalent to manufacture part number 1A1-2. It is a adapter arbor hole and is classified under Federal Supply Class 3445 (3445 - Punching and Shearing Machines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3445 - Punching and Shearing Machines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.