Reducing Union, Application Gases, Hydraulic, Pneumatic, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 5/8 in, Fitting Side B Tube Outer Diameter 1/2 in, Material Grade 316, Maximum Operating Pressure 2951 psi, Maximum Operating Temperature 1,200 Degrees F, Overall Length 2 in, Specific Fitting Shape Straight, Fitting Side A Pipe Size Not Applicable