Tube End Female Adapter Application Gases Liquids Fitting Side A Connection Type Compression Fitting Side B Connection Type FNPT Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 3/8 in Material Grade 316 Maximum Operating Pressure 6 600 psi Maximum Operating Temperature 649 Degrees C Overall Length 1 9/16 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/4 in Compatible Fitting Brands A-LOK Thread Size A 9/16-20 System of Measurement Imperial