Male Connector Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type MNPT Fitting Material Brass Fitting Side A Tube Outer Diameter 1/2 in Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Overall Length 1 27/32 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/4 in Compatible Fitting Brands NTA Thread Size B 11/16-20 Series NTA System of Measurement Imperial