UNION BULKHEAD COMPRESSION X COMPRESSION Application Air Fuel Hydraulic Oil Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Finish/Coating Zinc Trivalent Fitting Material Steel Fitting Side A Tube Outer Diameter 5/8 in Fitting Side B Tube Outer Diameter 5/8 in Maximum Operating Pressure 3 250 psi Maximum Operating Temperature 450 Degrees F Overall Length 2 15/32 in Specific Fitting Shape Straight Bulkhead Union