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 CONTACT: M39029/56348, to name only a few.
D38999/20KF35BA Features
D38999/20KF35BA Applications
There are a lot of SOURIAU-SUNBANK D38999/20KF35BA Circular Connectors applications.