Nut Application Potable Water Fitting Material Brass Maximum Operating Pressure 200 psi Maximum Operating Temperature 250 Degrees F Overall Length 1/2 in Thread Size 11/16-16 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 7/16 in Standards NSF 61 Annex G Compatible Tube Material Aluminum Copper Thermoplastic Fitting Connection Type Compression Minimum Operating Temperature 65 Degrees F