Female Connector Application Air Inert Gases Non-Combustible Gases Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type FNPTF Fitting Material Brass Fitting Side A Tube Outer Diameter 5/8 in Maximum Operating Pressure 650 psi Maximum Operating Temperature 200 Degrees F Overall Length 1 13/16 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/2 in Thread Size B 13/16-18 Series Compression System of Measurement Imperial