It comes in MIL SERIES CONNECTOR packaging.The device's mounting type is CABLE AND PANEL.In addition, there are other features such as STANDARD: MIL-DTL-38999, POLARIZED, COMPATIBLE CONTACTS: M39029/56351; M39029/56352, to mention only a few.
D38999/20SG39SN Features
D38999/20SG39SN Applications
There are a lot of SOURIAU-SUNBANK D38999/20SG39SN Circular Connectors applications.