Nut Application Air Fitting Material Brass Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Overall Length 15/32 in Thread Size 7/16-24 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/4 in Standards DOT FMVSS 571.106 SAE Compatible Tube Material Nylon Fitting Connection Type Compression Hex Size 9/16 in Minimum Operating Temperature 40 Degrees F Package Quantity 10