from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A usually thin nut screwed down on another nut to prevent it from loosening.
- n. A self-locking nut.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A second nut, screwed down onto another in order to prevent it slipping
from the GNU version of the Collaborative International Dictionary of English
- n. See Check nut, under Check.
- n. a supplementary nut that is screwed down on a primary nut to prevent it from loosening; a check nut.
from The Century Dictionary and Cyclopedia
- n. A supplementary nut screwed down upon another to prevent it from shaking loose; a jam-nut, check-nut, or pinch-nut.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. supplementary nut that is screwed down on a primary nut to prevent it from loosening
Sorry, no etymologies found.
Also Clay, that locknut is used to, I was told set the head spacing for the rifle.
I call it the “syncopated pedaling creak,” usually a sign that the locknut on a campy cassette is not tight enough.
The locknut (if fitted) has to be released to allow the operating screw to move and should be relocked after each adjustment.
The screw and locknut can be fitted to either the plug or the receptacle.
The series features an actuating screw and locknut to facilitate mating and to provide a secure and robust interconnect.
Holder is made from 2 laser-cut metal plates, a bolt, and locknut, and is powder painted black.
There's two allen bolts that adjust the riving knife from side to side and a screw with a locknut that adjust the angle.
The valves are screw and locknut (sadly changed to shims on the K7).
The front hub features a 100mm locknut-to-locknut measurement, similar to a conventional quick release hub.
Looking for parts for a late teens double lever: dot arm, main spring, dit spring & assembly, round weight, upper trunnion screw w / locknut, paddles & dash knob.