5810-01-613-7805 (0N659900-5)
5810-01-613-7805 is equivalent to manufacture part number 0N659900-5. It is a cryptographic key transfer unit and is classified under Federal Supply Class 5810 (5810 - Communications Security Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5810 - Communications Security Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.