ELBOW UNION 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 5/16 in Fitting Side B Tube Outer Diameter 5/16 in Maximum Operating Pressure 5 250 psi Maximum Operating Temperature 450 Degrees F Overall Length 15/16 in Specific Fitting Shape 90 Degrees Elbow Compatible Fitting Brands Air-Way Parker