This product is packaged in a MIL SERIES CONNECTOR box.CABLE AND PANEL indicates that the device is mounted.Furthermore, there are other features such as STANDARD: MIL-DTL-38999, POLARIZED, COMPATIBLE CONTACTS: M39029/58363; M39029/58528, to name a few.
D38999/20FJ11AA Features
D38999/20FJ11AA Applications
There are a lot of SOURIAU-SUNBANK D38999/20FJ11AA Circular Connectors applications.