Cap Application Air Flammable Liquid Freon Inert Gases Non-Combustible Gases Potable Water Fitting Connection Type Flared Fitting Tube Size Outer Diameter 1/2 in Hex Size 7/8 in Maximum Operating Pressure 2 800 psi Maximum Operating Temperature 250 Degrees F Overall Length 27/32 in Specific Fitting Shape Cap Fitting Thread Size 3/4-16 Fitting Material Brass Flare Angle 45 Degrees Standards SAE J512 SAE J513 Compatible Tube Material Aluminum Brass Copper Steel