DIN Cable Mount Connector, Male plug with ground key-rib, 7 pins at 270°Male plug with ground key-rib. Unique 30° turn lockring securely fastens two halves of connector. Mates with lock flange female connectors and receptacles. Insert screw holds insert assembly in shell and also retains lockring on shell. Flexible black strain relief with 7\/32\" diameter cable entry. Heavy duty clamp.