3610-00-773-5799 (M4)
3610-00-773-5799 is equivalent to manufacture part number M4. It is a leather air cus cup and is classified under Federal Supply Class 3610 (3610 - Printing, Duplicating, and Bookbinding Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3610 - Printing, Duplicating, and Bookbinding Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.