Tube Nut, Application Air, Fitting Material Brass, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 200 Degrees F, Overall Length 7/16 in, Thread Size 7/16-24, Specific Fitting Shape Nut, System of Measurement Imperial, Compatible Tube Outer Diameter 1/4 in, Standards DOT/SAE J1402A, Compatible Tube Material Nylon, Fitting Connection Type Compression, Minimum Operating Temperature 40 Degrees F