This specification covers Connector, Receptacle, Electrical UG-1837()/U used on Test SetAN/PTM-7, Restorers TD-206 and on Shelters of Low, Medium and High Capacity, Tropo Subsystems ofArmy Area Communications Systems. The receptacle mates with Connector, Plug, Electrical UG-1870( )/U which terminates Cable Assemblies, Special Purpose, Electrical CX-11230 ( )/G and CX-10734 ( )/G The connectors are hermaphroditic, twin coaxial and watertight. (See 6.3).