The D38999/20WE35AD from Deutsch is MIL-DTL-38999 Series III wall mount receptacle with 55 contacts. MIL-DTL-38999 Series III connectors are available in wide range of shell materials and finishes with 48, 500, 1000 and 2000 hour salt spray plating exposure. These connectors offer high density contact arrangements in a miniature circular shell and combines high coupling durability. It is designed to withstand the extreme shock, exposure and vibration.
Conn Circular PIN 55 POS ST Flange Mount 55 Terminal 1 Port