Bulkhead Union Application Compressed Natural Gas Fuels Gases Hydrogen Liquids Oils Petroleum Oil Steam Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Finish/Coating Zinc Plated Fitting Material Steel Fitting Side A Tube Outer Diameter 3/8 in Fitting Side B Tube Outer Diameter 3/8 in Maximum Operating Pressure 6 600 psi Maximum Operating Temperature 800 Degrees F Overall Length 2 15/32 in Specific Fitting Shape Straight Bulkhead Union