5840-01-309-0487 (82YY3601-419)
5840-01-309-0487 is equivalent to manufacture part number 405546-2. It is a data entry keyboard and is classified under Federal Supply Class 5840 (5840 - Radar Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5840 - Radar Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.