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  #1  
Old 07-22-2016, 10:27 AM
Bluebeard Bluebeard is offline
 
Join Date: Mar 2005
Posts: 60
Default Fuel filler caps o-rings
My tip tanks came with standard Vans filler caps (big o-rings are brown).

Can anyone tell me the MS numbers for (a) the large and (b)the small o-rings used in these caps?

Thanks
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  #2  
Old 07-22-2016, 11:04 AM
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jcaplins jcaplins is offline
 
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Location: Davis, CA, USA
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from vans:

http://www.vansaircraft.com/cgi-bin/...oduct=fuel-cap

previous thread:
http://www.vansairforce.com/communit...d.php?t=100922
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  #3  
Old 07-28-2016, 04:45 AM
Bluebeard Bluebeard is offline
 
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Ah, thanks, I was hoping to get the MS numbers as I may be putting various chemicals into tanks that have these filler caps, I need to order o-rings that have the right resistance properties.
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Old 07-28-2016, 06:48 AM
aerhed aerhed is offline
 
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Various chemicals? What are you going to do, make chemtrails?
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  #5  
Old 07-28-2016, 11:27 AM
Bluebeard Bluebeard is offline
 
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!!

No I have epoxy resin tanks that I am going to clean out with acetone or failing that with MEK. Neither substance results in happy standard o-rings .....
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  #6  
Old 07-28-2016, 11:48 AM
jabarr jabarr is offline
 
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I know you're looking for MS numbers (which I don't have) but the orings are available from Spruce as well-- p/n 05-02146 (large one) and p/n 05-02147 (small). The Usher numbers end with -012 and -325 which one would assume are the sizes.
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