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locknut

/ ˈlɒkˌnʌt /

noun

  1. a supplementary nut screwed down upon a primary nut to prevent it from shaking loose
  2. a threaded nut having a feature, such as a nylon insert, to prevent it from shaking loose
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

The locknuts were not tightened properly before the test, according to a report by the board.

One of the parts was a locknut that secures the rotor on the Kiowa attack helicopter.

The company makes components, such as locknuts and fasteners, for trucks, cars and the aerospace industry, as well as components for utility and telecommunications systems.

Two locknuts and a thumbscrew take up all lost motion yet afford perfect adjustability and easy separation for cleansing.

The defective locknuts were found as far away as Kuwait.

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