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  #11  
Old 09-09-2023, 08:25 PM
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Originally Posted by greywynd View Post
It’s possible the HF O-rings may also be metric. Similar sizes but not the same.


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They have metric AND standard "assortments"...
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  #12  
Old 09-09-2023, 09:31 PM
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I have one thing to say about O-Rings having run a Fleet shop years ago and my own assortments in my shed. It's sort of like "Murphy's Law" you can have $900 of O-Ring assortments in every flavor Viton etc. You will NEVER have the exact size cross-section etc you need to replace on the project you are currently working on
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  #13  
Old 09-09-2023, 11:12 PM
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Originally Posted by Whitetrash View Post
I have one thing to say about O-Rings having run a Fleet shop years ago and my own assortments in my shed. It's sort of like "Murphy's Law" you can have $900 of O-Ring assortments in every flavor Viton etc. You will NEVER have the exact size cross-section etc you need to replace on the project you are currently working on
Oh so true.
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  #14  
Old 09-10-2023, 07:44 AM
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Default O-rings

I have one of those cheaper oring kits. The ones that say they are 1/16” cross section are close to .062”. At work, our 1/16” orings are .072” cross section. Usually I cut the oring groove .050” per side for proper squish.

Our 1/8” orings usually measure .139”. And so on for the sizes. Usually they will have a bit of squish when put into a groove of it’s labeled size.

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