You get it in MIL SERIES CONNECTOR packaging.Mounting type CABLE AND PANEL is selected for the device.Besides that, there's also STANDARD: MIL-DTL-38999, EMI SHIELDED, POLARIZED, to name a few.
DTS21H15-19SA Features
DTS21H15-19SA Applications
There are a lot of TE Connectivity Deutsch Connectors DTS21H15-19SA Circular Connectors applications.