5810-01-562-6939 (SW7X-AP-2150D-C)
5810-01-562-6939 is equivalent to manufacture part number C99A9428-5. It is a communications security module 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.