Compression Fitting Nut, Application Air, Non-Potable Water, Fitting Material Brass, Material Grade C36000, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 150 Degrees F, Overall Length 11/32 in, Thread Size 7/16 In. -24, Specific Fitting Shape Nut/Acetal Sleeve, System of Measurement Imperial, Compatible Tube Outer Diameter 5/16 in, Compatible Fitting Brands Parker, Series Polytite, Compatible Tube Hardness Not Applicable, Compatible Tube Material Thermoplastic