Image D.O.T. Push-In Union Connector Markets Transportation Jump to Section Product Options Related Products Product Options Part Number Tube OD Seal Material AQ62DOT4 1/4" Nitrile Rubber Brass CA360 AQ62DOT6 3/8" Nitrile Rubber Brass CA360 Related Products Image D.O.T. Air Brake Tubing Image D.O.T. Push-In Male Connector Image D.O.T. Push-In Male Elbow Image D.O.T. Push-In Swivel Male Branch Tee Image D.O.T. Push-In Swivel Male Elbow Image D.O.T. Push-In Union Tee