Union Fitting Material Brass Flare Angle Inverted Application LP Gases Natural Gases Fitting Side A Connection Type Inverted Flare Fitting Side B Connection Type Inverted Flare Fitting Side A Tube Outer Diameter 1/2 in Fitting Side B Tube Outer Diameter 1/2 in Fitting Thread Size 3/4-18 Hex Size 29/32 in Maximum Operating Pressure 750 psi Maximum Operating Temperature 250 Degrees F Overall Length 15/16 in Specific Fitting Shape Straight Connector Standards SAE J512 UL