Union Cross Application Gas Oil Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type Compression Fitting Side D Connection Type Compression Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 3/8 in Fitting Side B Tube Outer Diameter 3/8 in Fitting Side C Tube Outer Diameter 3/8 in Fitting Side D Tube Outer Diameter 3/8 in System of Measurement Imperial Compatible Fitting Brands A-LOK Material Grade 316