Cap Application Non-Potable Water Potable Water Fitting Connection Type Flared Fitting Tube Size Outer Diameter 1/4 in Hex Size 7/16 in Maximum Operating Pressure 1 400 psi Maximum Operating Temperature 250 Degrees F Overall Length 1/2 in Specific Fitting Shape Cap Fitting Thread Size 7/16-20 Fitting Material Brass Flare Angle 45 Degrees Standards NSF/ANSI 61 Annex G Compatible Tube Material Aluminum Brass Copper Steel Minimum Operating Temperature 65 Degrees F