Reducing Elbow, Application Gasoline, Oils, Potable Water, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Brass, Fitting Side A Tube Outer Diameter 5/8 in, Fitting Side B Tube Outer Diameter 3/8 in, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 250 Degrees F, Specific Fitting Shape 90 Degrees Reducing Elbow, Thread Size A 13/16-18, Thread Size B 9/16-24, System of Measurement Imperial, Standards NSF/ANSI 61 Annex G