We are currently operating at a limited capacity due to our facility undergoing a physical inventory. Regular operations are expected to resume the week of December 4th. We thank you for your understanding and patience through this period.
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ISO-KF Viewports

Part Number: VP-NW-40

  • If you can't find what you need, call us at +1 800 824 4166
  • Specialized materials, including sapphire, also available
  • Standard windows are borosilicate glass
NW-40 7056 Borosilicate Glass Viewport
Technical Resources
  • Viewport Type: Welded Necked Flange Viewport
  • Flange Size / Type: DN 40 / ISO-KF
  • Viewport Material: 7056 Borosilicate Glass
  • Flange Material: 304 Stainless Steel
  • Vacuum Range: 1 · 10-9 mbar to 1 bar (high vacuum)
  • Temperature Range: -20 °C to 200 °C
  • Weight: 0.2 lbs
NW Viewport 40 50 Dia B
Imperial Units
Dim A: 1.51"
Dim B: 0.55"

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