Glass Viewport Window for ISO-F bored hole flanges follows International Standards Organization (ISO) standards and has a flange size of ISO NW-63. This glass viewport is a 3-part assembly containing a Stainless Steel welded flange face, 3/8 inch thick tempered glass, and a Stainless Steel centering ring with Viton O-ring. The Stainless Steel flange face has welded mounting brackets making it easy to install and uninstall. These glass viewport assemblies work with our Ideal Vacuum Cube ISO plates. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. These Glass Windows can be used for any LF ISO-F bored hole flanges. They also fit our 12X12 vacuum cube plates PN P108157.

Glass Window Viewport Assembly NW-63 Vacuum Fittings, ISO-LF Large Flange Size ISO-F 63.

ISO-LF Flange Size: NW-63

304 stainless steel

Pressure Range: 1 X 10-9 Torr High Vacuum