4.5″ Dome Hold Down Ring



Dome hold down ring for use with 4.5″ acrylic dome ports.  Used to evenly press dome flange against an o-ring for sealing.  Features six clearance holes for 8-32 screws and comes in multiple material and color options.

Contact us for custom versions designed specifically for your application.

Additional information

Flat Port Materials

Acetal – Black, Acetal – White, Anodized Aluminum – Black, Anodized Aluminum – Blue, Anodized Aluminum – Grey


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