FGG.0B.305.CLAD52 Lemo Cable Mount Connector, 5 Contacts. Lemo, a range of industrial circular metal connectors from the 0B and 1B series. Designed for cable mounting, the straight plugs feature a unique push-pull self-latching mechanism for safe and secure mating. Compact in design, the industrial circular connectors are G coded for higher contact density and prevent contact miss alignment.