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Turnbuckle Barrel Threads

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Jackson

Well-Known Member
Joined
Jul 16, 2007
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Greetings,
I need to replace two of my 2 1/2 inch turnbuckles and the two clevises on my sweg-ed aileron cables. They have a strange thread of "National Special 10/28" (so says the machinist). I have checked with Spruce, Wag Aero and Univair. All three have turnbuckles with 10/32 threads. No one seems to have heard of 10/28 pitch on the threads. Can anyone give me any input on my problem.
Thanks, Jackson
 

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