Cap Application Air Flammable Liquid Freon Inert Gases Non-Combustible Gases Potable Water Fitting Connection Type Flared Fitting Tube Size Outer Diameter 1/4 in Hex Size 9/16 in Maximum Operating Pressure 2 800 psi Maximum Operating Temperature 250 Degrees F Overall Length 17/32 in Specific Fitting Shape Cap Fitting Thread Size 7/16-20 Fitting Material Brass Flare Angle 45 Degrees Standards SAE J512 SAE J513 Compatible Tube Material Aluminum Brass Copper Steel