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Fasteners with nylon or polyester locking elements. What is max number of install/remove cycles? 1

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Tunalover

Mechanical
Joined
Mar 28, 2002
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I've been looking for the maximum number of install/remove cycles for screws and nuts having nylon or polyester locking elements. What is that number and how do you justify it?

Tunalover
 
I believe the various MIL spex reference a minimum prevailing torque to determine the nut's suitability for reuse.

Probably best, since a bolt/screw with badly finished threads might ruin the insert on the first install
 
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