MIL-194723 (Formerly Weldcraft Part #Q5GT-200)
Large Gas-Thru DINSE Connector, .508" (12.9mm) Male End. For 200 Amp Air-Cooled TIG Torches with One-Piece Power Cable Connection (7/8" x 14 Right Hand Male Thread) to Power Supplies with Large Gas-Thru DINSE Connection.