Male Coupling Application Gasoline Oils Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type MNPT Fitting Material Brass Fitting Side A Tube Outer Diameter 1/2 in Maximum Operating Pressure 200 psi Maximum Operating Temperature 250 Degrees F Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 3/4 in Thread Size A 11/16-20 Thread Size B 3/4-14 System of Measurement Imperial Standards NSF/ANSI 61 Annex G