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 Post subject: O-ring for AVI 91511 50C9C drain valve (421C crossfeed)
PostPosted: 05 Mar 2016, 15:29 
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Joined: 06/28/11
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Company: FractionalLaw.com
Location: Based ABE, Allentown, PA
Aircraft: King Air 350
I am replacing my crossfeed drain valves with the newer-style valve. I am hoping that the O-ring on this valve is easier to replace.

I can't find any parts breakdown for the AVI 91511 50C9C valve.

Anyone have the O-ring PN? I would like to get a couple of the blue fluorosilicon O-rings in stock so I am prepared for the next round of leaks.


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