Tube Insert, Application Chemical, Compression, Cooling, Fluid Transfer, Industrial, Lubrication, Compatible Fitting Connection Type Compression, Compatible Tube Outer Diameter 5/16 in, Compatible Tube Inner Diameter 5/16 in, Fitting Material Brass, Material Grade C36000, Maximum Operating Pressure 400 psi, Maximum Operating Temperature 250 Degrees F, Overall Length 17/32 in, Specific Fitting Shape Tube Insert, System of Measurement Imperial, Compatible Tube Hardness Not Applicable. This item has been restricted from sale in the following state (s): []