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RE: Thread Locking

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There are several design criteria that you should address for this

If the environment in which the eyebar-pin component is corrosive or exposed
to the elements this may induce "corrosion pack-out"    This phenomina
occurs when the eyebars corrode to the extent that  the "rust" pushes the
eyebars off the pin.    Several bridge failures have been traced to this

Using a "cotter pin" made from a non-corrosive material might be a viable
solution.    Galvanizing might be another.

Peter  De Vere
JSC, Houston, Texas

		-----Original Message-----
		From:	Fredericks, Douglas/SAC [mailto:DFreder1(--nospam--at)]
		Sent:	Monday, May 24, 1999 4:22 PM
		To:	'seaint(--nospam--at)'
		Subject:	Thread Locking

		Any thoughts on good ways to lock up threads?  

		I have some steel eyebars packed on a pin with recessed pin
nuts holding
		them in place.  The pins are about 3" in diameter and they
are exposed to
		weather.  I don't want the nuts to loosen, of course.  The
options I can
		think of are thread-lock compound, tack-welding, and burring
the threads

		Is there a reliable thread-lock compound (besides rust)?