Tube Union, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Brass, Fitting Side A Tube Outer Diameter 3/8 in, Fitting Side B Tube Outer Diameter 3/8 in, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 200 Degrees F, Overall Length 1 3/32 in, Specific Fitting Shape Straight Connector, Thread Size B 17/32-24, System of Measurement Imperial, Standards SAE J246, Compatible Tube Material Nylon