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Specializing in used and new surplus vacuum equipment and components.
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These are NEW MKS HPS KF-25 NW 25 Viton o-ring / stainless steel centering ring assemblies.

Our price: $5.00 each - we may have as many as 27 of these available.

As received by us, these centering ring assemblies were all in the original factory packaging as shown in the pictures. The bags show some wear from handling, but they have never been opened; the components within are new.
  • MKS HPS part number 100312703
  • KF-25 NW25 centering ring / o-ring assemblies
  • centering rings are stainless steel
  • o-rings are Viton
Click on any picture below to view a larger, higher-resolution version.