Bulkhead Union Application Air Vacuum Fitting Side A Connection Type Push-to-Connect Fitting Side B Connection Type Push-to-Connect Fitting Side A Tube Outer Diameter 5 mm Fitting Side B Tube Outer Diameter 5 mm Fitting Material Brass Color Silver Includes Pre-Applied Thread Sealant Yes Maximum Operating Pressure 290 psi Maximum Operating Temperature 160 Degrees F Overall Length 1 5/16 in Specific Fitting Shape Straight Bulkhead Union