The product is packaged in MIL SERIES CONNECTOR.This device is mounted in the CABLE AND PANEL position.To name a few, there is also STANDARD: MIL-DTL-38999, EMI SHIELDED.
D38999/21HG41XN Features
D38999/21HG41XN Applications
There are a lot of TE Connectivity Deutsch Connectors D38999/21HG41XN Circular Connectors applications.