Fastpipe compressed air fitting Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type MNPT Fitting Material Aluminum Fitting Side A Tube Outer Diameter 20 mm Maximum Operating Pressure 190 psi Maximum Operating Temperature 140 Degrees F Overall Length 3 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/2 in Thread Size B 1/2-14 Standards ASTM B221 ASTM B445 Color Blue