Male Connector Application Air Fitting Side A Connection Type Push-to-Connect Fitting Side B Connection Type NPTF Fitting Side B Pipe Size 1/4 in Fitting Side A Tube Outer Diameter 1/2 in Fitting Material Brass Fitting Thread Size 1/4-18 Color Gold Includes Pre-Applied Thread Sealant Yes Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Overall Length 1 15/32 in Specific Fitting Shape Straight Adapter Standards DOT FMVSS 571.106 SAE J1131