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