thin nut which is screwed up tightly on another nut in order to prevent it from getting loose
LOCK NUT
Meaning of LOCK NUT in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012
thin nut which is screwed up tightly on another nut in order to prevent it from getting loose
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012