Front Mount Socket 5A/13A Circular Connectors (Threaded) IP68. From RS Pro, these threaded sockets 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 female connector, this version should really be one you consider. Features and Benefits. Threaded Coupling. 13 mm cutout. IP68 rated waterproof connector. Material: Plastic. Termination: Solder. 5 A or 13 A versions available