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