locknut [′läk‚nət]
(design engineering)
A nut screwed down firmly against another or against a washer to prevent loosening. Also known as jam nut.
A nut that is self-locking when tightened.
A nut fitted to the end of a pipe to secure it and prevent leakage.
locknut
1. A nut which is designed so that it will not come loose, locking in place when tightened.
2. A supplementary nut, screwed down on another nut to prevent it from shaking loose.
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