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08-20-2007 | 04:03 PM

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MinnFlyer

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From: Willmar, MN

RE: Prop Nuts - Anything special?

Actually, 5/16-24 is not that uncommon

5/16-18 is NC (National Course) and 5/16-24 is NF (National Fine)

Check at an auto parts store and ask for a 5/16-24 grade 5 or grade 8 nut

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