A distorted thread locknut,[1] is a type of locknut that uses a deformed section of thread to keep the nut from loosening due to vibrations, or rotation of the clamped item. There are four types: elliptical offset nuts, centerlock nuts, toplock nuts and partially depitched (Philidas) nuts.
^McMaster, p. 3139.
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at a standard size; as the nut is further threaded on it begins to lock, much like a distortedthreadlocknut. Barrett, Rich, Fastener Design Manual, archived...
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