Definitions
from The Century Dictionary.
- noun In machinery, a nut fitted to a bolt and screwed down hard (jammed) against a principal or holding nut, to keep the latter from working loose through vibrations, jars, or shocks. Also called
nut-lock .
Etymologies
Sorry, no etymologies found.
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Examples
-
About 6 inches of the plunger is occupied by the packing at the outer end; a solid ring of iron an inch wide, and an inch high, and securely pinned to the plunger, has a leather cup pushed on to it, then a loose ring is slid up against the back of the leather cup and another cup, and another ring, until the space for the packing is filled up; then a nut is screwed up behind these which brings cups and rings tightly together, and a jam-nut with a split-pin going through nut and spindle and opened wide enough to clear the sides of the barrel, and the hydraulic pump is ready for work.
The Stoker's Catechism W. J. Connor
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