Male Branch Tee, Application Gas, Oil, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Side C Connection Type MNPT, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 1/2 in, Fitting Side B Tube Outer Diameter 1/2 in, Thread Size A 3/8, System of Measurement Imperial, Compatible Fitting Brands A-LOK, Material Grade 316, Maximum Operating Pressure 6,700 psi, Maximum Operating Temperature 649 Degrees C, Overall Length 2 27/32 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)