The packaging contains MIL SERIES CONNECTOR.There is a CABLE AND PANEL mounting type for the device.Further, there are features such as STANDARD: MIL-DTL-38999, POLARIZED, COMPATIBLE CONTACTS: M39029/56351; M39029/91530, to name only a few.
D38999/20SJ20BE Features
D38999/20SJ20BE Applications
There are a lot of SOURIAU-SUNBANK D38999/20SJ20BE Circular Connectors applications.