Tube Insert, Application Not Applicable, Compatible Fitting Connection Type Compression, Compatible Tube Outer Diameter 1/2 in, Compatible Tube Inner Diameter 3/8 in, Finish/Coating Unpolished, Fitting Material Stainless Steel, Material Grade 316, Maximum Operating Pressure 6, 700 psi, Maximum Operating Temperature 1, 200 Degrees F, Overall Length 5/8 in, Specific Fitting Shape Tube Insert, System of Measurement Imperial, Standards ASTM 31.3, Compatible Tube Hardness Not Applicable. This item has been restricted from sale in the following state (s): []