Union Tee Application Gas Oil Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type Compression Fitting Material Brass Fitting Side A Tube Outer Diameter 5/8 in Fitting Side B Tube Outer Diameter 5/8 in Fitting Side C Tube Outer Diameter 5/8 in Thread Size A 7/8 System of Measurement Imperial Compatible Fitting Brands A-LOK Maximum Operating Pressure 6 100 psi Maximum Operating Temperature 400 Degrees F