MIL-195378 (Formerly Weldcraft Part #Q5G-150)
Large DINSE Connector, .508" (12.9mm) Male End. For 150 Amp Air-Cooled TIG Torches with One-Piece Power Cable Connection (3/8" x 24 Right Hand Male Thread) to Power Supplies with Large DINSE Connection.
This connector has an 18" (.45m) "Black" Gas Inlet Hose.
Miller connectors are also compatible with 24-series TIG torches that have a female power cable fitting.