Legris 3115 04 11DOT Nylon & Nickel-Plated Brass Push-To-Connect Fitting, Complies with DOT, Inline Connector, 5/32" or 4 mm Tube OD x 1/8" NPT Male Inline connector for connecting a tube to a female threaded connection in a straight run Push-to-connect tube connection on one end and male NPT threads on the other end Nylon- and nickel-plated brass construction Meets DOT FMVSS 571.106 technical specifications