Compression Fitting Union, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 5/16 in, Fitting Side B Tube Outer Diameter 5/16 in, Material Grade 316, Maximum Operating Pressure 10, 000 psi, Maximum Operating Temperature 1, 200 Degrees F, Overall Length 1 11/16 in, Specific Fitting Shape Straight Connector, Compatible Fitting Brands CPI (TM), Thread Size A 1/2-20. This item has been restricted from sale in the following state (s): []