Sweat Fitting Union, Application Potable Water, Fitting Side A Connection Type Cup, Fitting Side B Connection Type FNPT, Fitting Side A Copper Tube Size 1/4 in, Fitting Material Cast Copper, Fitting Side B Pipe Size 1/4 in, Fitting Side A Tube Outer Diameter 3/8 in, Maximum Operating Pressure 729 psi, Maximum Operating Temperature 200 Degrees F, Specific Fitting Shape Straight Union, Standards ASME B 16.18, ISO 9001, NSF/ANSI 372, NSF/ANSI 61, Material Grade C87850. This item has been restricted from sale in the following state (s): []