RS PRO Circular Connector, 4 Contacts, Panel Mount, Miniature Connector, Plug, Male, IP68

From RS Pro, these threaded plugs are serious contenders for your application. This particular model has a bigger and stronger shell. That coupled with the IP68 rating excels in harsh environments. Typical applications include outdoor security, medical devices, communications and marine equipment. When choosing a male connector, this version should really be one you consider.

Threaded Coupling