Brass Flare Fittings, Fitting Material Brass, Flare Angle 45 Degrees , Application LP Gases, Natural Gases, Fitting Side A Connection Type Flared, Fitting Side B Connection Type Flared, Fitting Side A Tube Outer Diameter 1/4 in, Fitting Side B Tube Outer Diameter 3/8 in, Hex Size 3/16 in, Maximum Operating Pressure 2,800 psi, Maximum Operating Temperature 250 Degrees F, Overall Length 1 3/16 in, Specific Fitting Shape Straight Connector, Standards SAE J512, SAE J513