CM Cable Sockets and Panel Plugs These Hirschmann CM Glass-fibre reinforced polyamide connectors give a viable alternative to metal style military connector ranges. The Hirschman CM range gives options of 3 to 17 poles in 14S and 20 shell sizes, are designed to MIL-C-5015 & VG95342, and have the same mounting dimensions and contact arrangements as other manufacturers making them interchangeable with other screw locking types. They are also widely used for connecting continuous action and proportional action valves to DIN43563.