Male Branch Tee Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type MNPT Finish/Coating Nickel-Plated Fitting Material Brass Fitting Side A Tube Outer Diameter 1/2 in Fitting Side B Tube Outer Diameter 1/2 in Thread Size C 3/8-19 Thread Size B 3/8-18 Thread Size A 3/8-18 System of Measurement Imperial Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F