3610-00-854-3389 (51-257-1)
3610-00-854-3389 is equivalent to manufacture part number 51-257-1. It is a timing mechanism 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.