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Old 08-20-2007 | 01:44 PM
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nk1851
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From: Sachse, TX
Default Prop Nuts - Anything special?

Need to replace the prop nut on my OS 61 FX. Parts list says it is 5/16 - 24 thread.
Any reason I couldn't just go to local hardware store and get one for 5 cents? What makes the ones sold specially for RC, necessary?
Also, why is it not common to use a lock washer behind the prop nut?
Thanks