Hydraulic Brake Fittings Fitting Material Brass Application Hydraulic Brakes LP Gases Natural Gases Fitting Side A Connection Type MNPT Fitting Side B Connection Type Bubble Flared Fitting Side A Pipe Size 3/16 in Fitting Side B Tube Outer Diameter 3/16 in Fitting Thread Size M11-1.5 Hex Size - Maximum Operating Pressure 1 000 psi Maximum Operating Temperature 250 Degrees F Specific Fitting Shape Flared Bubble Adapter Standards DOT/SAE Material Grade CA360