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 Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 1/4 in Fitting Side B Tube Outer Diameter 1/4 in Material Grade 316 Maximum Operating Pressure 10 300 psi Maximum Operating Temperature 649 Degrees C Overall Length 2 9/32 in Specific Fitting Shape Straight Bulkhead Union