Union Application Air Fitting Side A Connection Type Push-to-Connect Fitting Side B Connection Type Push-to-Connect Fitting Side A Tube Outer Diameter 1/4 in Fitting Side B Tube Outer Diameter 1/4 in Fitting Material Brass Color Gold Includes Pre-Applied Thread Sealant Yes Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Overall Length 1 5/8 in Specific Fitting Shape Straight Connector Standards DOT FMVSS 571.106 SAE J1131