pin tumbler

Found in Anh - Anh (Wordnet)

Definition Noun : 1. A component of a lock : A pin tumbler is a small cylindrical object, typically one of several within a lock mechanism. It is split into two parts (a driver pin and a key pin) that are pushed into place by springs. The correct key aligns the split between these parts with the lock's shear line, allowing the lock to turn. Usage The pin tumbler is the core security component i...