Ceramic Wafer Socket For WE310, WE366, Etc. Six pin socket for WE310, etc. Good quality copy of the old Johnson ceramic wafer socket. Thick white glazed ceramic body with copper countersunk rivets, plated brass contacts with steel tension springs. 'Bossed' mounting holes permit sub panel/below the chassis mounting. 1.75" screw mounting centers, fits to a 1.375" hole in the chassis.