Compression Fitting Adapter, Application Gases, Liquids, Fitting Side A Connection Type Compression, Fitting Side B Connection Type MNPT, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 3/8 in, Material Grade 316, Maximum Operating Pressure 10, 000 psi, Maximum Operating Temperature 1, 200 Degrees F, Overall Length 1 9/16 in, Specific Fitting Shape Straight Adapter, Fitting Side B Pipe Size 1/4 in, Compatible Fitting Brands CPI (TM), Thread Size A 9/16-20, Series CPI (TM)