Y11 series connectors are used extensively for the connections between electrical instrument and equipment with 3 point bayonet coupling and 5 key/keyway mating,quickly push-pull,small size,high reliability,diversified functions and wide range of type.Contact termination is solder.the shell is shield or non-shield with ordinart sealing,vacuum sealing,high pressure sealing,dust-proof,rain-proof.The seal of receptacle is ordinary sealing and glass sealing.Termination type is flange threaded and thro-wall.