Union Application Air Inert Gases Non-Combustible Gases Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Material Brass Fitting Side A Tube Outer Diameter 3/16 in Fitting Side B Tube Outer Diameter 1/4 in Maximum Operating Pressure 1 900 psi Maximum Operating Temperature 200 Degrees F Overall Length 1 1/4 in Specific Fitting Shape Straight Reducing Connector Thread Size A 3/8-24 Thread Size B 7/16-24 Series Compression