3/8" NOM C x 1/2" FNPT Copper Reducing Adapter, NIBCO, Mfr# 603R 3/8x1/2

Reducing Adapter, Application Air, Gases, Potable Water, Fitting Side A Connection Type Cup, Fitting Side B Connection Type FNPT, Fitting Side A Copper Tube Size 3/8 in, Fitting Material Wrot Copper, Fitting Side B Pipe Size 3/8 in, Fitting Side A Tube Outer Diameter 1/2 in, Maximum Operating Pressure 779 psi @ 100 Degrees F, Maximum Operating Temperature 400 Degrees F, Specific Fitting Shape Reducing Adapter