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Old 12-08-2021, 01:04 PM   #1
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City: Savannah, Ga.
Vessel Name: Indigo Star
Vessel Model: 2006 Mainship 400
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Posts: 493
Bomar Passage Series Portlights?

I need to order the gasket material for our 2006 mainship portlights and I think we have what is called the Bomar Passage Series.

The part number is S517-Gasket and its about $10 per foot so before I order the 50 feet to redo all the portlights it would be nice to know i am going in the right direction.

They seem to match the spes as they are 12" wide and 5" high.

Here are the pics of the portlights.


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Old 12-08-2021, 05:24 PM   #2
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City: Seneca Lake NY
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Have you asked them if they would send you a short (1") piece to confirm it is the correct cross section?
If not do they have a cross section diagram w/ dimensions that would allow you to confirm.
2008 MS 34 HT Trawler
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Old 12-09-2021, 04:33 PM   #3
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Vessel Name: Seventh Sojourn
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This is from Don's BOM database, not the correct with but probably has the same seal.
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Old 12-09-2021, 10:28 PM   #4
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We have just gone through this with our Bomar portlights. First I emailed Bomar at and identified our portlight. From there you can determine the correct gasket before you spend the big bucks. Bomar was very helpful. Good luck.
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