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 1/2 in Fitting Side B Tube Outer Diameter 1/2 in Maximum Operating Pressure 4 500 psi Maximum Operating Temperature 450 Degrees F Overall Length 2 7/32 in Specific Fitting Shape Straight Bulkhead Union