The product comes in a package of MIL SERIES CONNECTOR.CABLE AND PANEL is the mount type.Also, there's STANDARD: MIL-DTL-38999, POLARIZED, COMPATIBLE CONTACT: M39029/56348, to name a few.
D38999/20FD35BB Features
D38999/20FD35BB Applications
There are a lot of SOURIAU-SUNBANK D38999/20FD35BB Circular Connectors applications.
Digital Multimeters, PLC's (Programming Logic Controllers)