The product comes in a package of MIL SERIES CONNECTOR.CABLE AND PANEL is the type of mounting for the device.Among other features are STANDARD: MIL-DTL-38999, EMI SHIELDED, POLARIZED, to name only a few.
D38999/25HD19ZA Features
D38999/25HD19ZA Applications
There are a lot of TE Connectivity Deutsch Connectors D38999/25HD19ZA Circular Connectors applications.