Female Connector Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type FNPT Fitting Material Brass Fitting Side A Tube Outer Diameter 3/8 in Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/8 in Thread Size A 17/32-24 Thread Size B 17/32-24 System of Measurement Imperial Standards DOT FMVSS 571.106 SAE Compatible Tube Material Nylon