Female Branch Tee Application Air Gases Hydraulic Oil Natural Gas Non-Potable Water Steam Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type FNPT Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 12 mm Fitting Side B Tube Outer Diameter 12 mm Thread Size C 1/4-18 System of Measurement Imperial/Metric Compatible Fitting Brands Swagelok Material Grade 316