locknut
Britishnoun
-
a supplementary nut screwed down upon a primary nut to prevent it from shaking loose
-
a threaded nut having a feature, such as a nylon insert, to prevent it from shaking loose
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One of the parts was a locknut that secures the rotor on the Kiowa attack helicopter.
From Washington Times ● Dec. 13, 2014
You must first back off the locknut when tightening or loosening the packing nut.
From Time Magazine Archive
A locknut keeps the packing nut from loosening.
From Time Magazine Archive
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