Compression Nut, Application Air, Fitting Material Brass, Maximum Operating Pressure 400 psi, Maximum Operating Temperature 250 Degrees F, Overall Length 1 3/16 in, Thread Size 1 3/32-20, Specific Fitting Shape Nut, System of Measurement Imperial, Compatible Tube Outer Diameter 1/2 in, Standards DOT FMVSS 571.106, SAE J1402, Fitting Connection Type Compression, Hex Size 1 1/4 in, Minimum Operating Temperature -65 Degrees F