What is the difference between aviation plugs and circular connectors?

Aviation plugs are mainly round, internationally known as circular connectors, more specifically cylindrical pin electrical connectors. Its basic feature is that the airline plug socket insert are screw fasteners, after connection, can be screwed and fixed, will not fall off. The general aviation plug contains contacts for transmitting data and power. The name aviation is not a strict classification, is part of the industry alias, aviation plugs are also called military plugs, in fact, belong to a kind of connector. The name of aviation plug comes from the military aircraft manufacturing industry in the 1930s. The current application areas of aviation plugs are not only in military equipment and manufacturing, but also in medical equipment, automation, rail transportation and other operating environments where reliability is critical. The expansion of application areas has led to some misunderstandings about the name of aviation plugs. Therefore, in the international arena, the English name of the aviation plug is Circular Connector, not the translation of Aviation Plug that everyone imagines.