locknut


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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.
References in periodicals archive ?
Have your friend spread the pliers and hold it tightly in the drain to prevent it from turning while you loosen the locknut.
* Locknuts install permanently in host metal sheets to become integral parts of an assembly, will not loosen or fall out, never have to be restrained from rotation with a tool, and will never have to be handled again
MMS selected the FANUC Robotics LR-Mate 100i robot as it had the right weight handling capability, reach, and speed to meet the part-loading needs at Security Locknut. Initially the robot was intended to run only one machine, but in the design phase it was determined that the robot could run two rotary index machines side-by-side and still have everything set up as one automated cell.
You won't see extending threads if the locknut is improperly torqued.
Completely remove the locknut, friction ring and gasket, and lift the old basket out of the sink.
Next, remove the locknut at the bottom of the old fill valve.
Here's the question we had: How do you torque the locknut down when there is no place for a torque wrench to attach to the tool?
It should also be close enough to the bowl edge so dripping soap falls into the bowl, yet far enough back from it so the locknut (Photo 51 can be screwed on.
Tighten the locknut onto the bolt just enough to snug the nut and allow the joint to move freely.