Packaging is in the form of MIL SERIES CONNECTOR.This device has a BOARD AND PANEL mounting type.Other features include STANDARD: MIL-DTL-38999, EMI SHIELDED, to name just a few.
D38999/27HH53CN Features
D38999/27HH53CN Applications
There are a lot of TE Connectivity Deutsch Connectors D38999/27HH53CN Circular Connectors applications.