The mystery of the lock nut, though, isn’t how it works. The nylon insert is just a little too small for the bolt, and the bolt, being harder than nylon, taps a very close-fitting hole in the ...

Graphing preload as a function the number of vibratory cycles yielded clues as to the effectiveness of various locking methods ... installed jam nut. A jam nut is a low-profile nut, typically ...