Vacuum Tube Fitting Application Air Potable Water Fitting Side A Connection Type NW Fitting Side B Connection Type NW Fitting Material Stainless Steel Material Grade 304 Fitting Side A Tube Outer Diameter 2 in Fitting Side B Tube Outer Diameter 1 1/2 in Maximum Operating Temperature 320 Degrees F Trade No 40 50 Specific Fitting Shape Straight Adapter Flange Outside Diameter 2.953125 in Flange Thickness 7/50 in Number of Bolt Holes 0 Vacuum Rating 10-7 torr @ 72 Degrees F