Flare Nut Application Air Flammable Liquid Freon Inert Gases Non-Combustible Gases Fitting Thread Size 7/16-24 Flare Angle Inverted Fitting Material Brass Hex Size 7/16 in Maximum Operating Pressure 1 400 psi Maximum Operating Temperature 250 Degrees F Overall Length 9/16 in Specific Fitting Shape Flared Nut Compatible Tube Outer Diameter 1/4 in Standards SAE J512 Compatible Tube Material Aluminum Brass Copper Steel Fitting Connection Type Flared