Packaging is MIL SERIES CONNECTOR.CABLE AND PANEL is the mounting type.There are also other features such as STANDARD: MIL-DTL-38999, POLARIZED, COMPATIBLE CONTACTS: M39029/58363; M39029/58528, to name only a few.
D38999/20WJ11AC Features
D38999/20WJ11AC Applications
There are a lot of SOURIAU-SUNBANK D38999/20WJ11AC Circular Connectors applications.