Vacuum Tube Fitting, Application Air, Potable Water, Fitting Side A Connection Type NW, Fitting Side B Connection Type Barbed, Fitting Material Stainless Steel, Material Grade 304, Fitting Side A Tube Outer Diameter 3/4 in, Fitting Side B Tube Outer Diameter 1/2 in, Maximum Operating Temperature 320 Degrees F, Trade No. 16, Specific Fitting Shape Straight Adapter, Flange Outside Diameter 1.171875 in, Flange Thickness 7/50 in, Number of Bolt Holes 0, Vacuum Rating 10-7 torr @ 72 Degrees F