Jon Payne

see Internal Relocking Device

abb. Trigger Device

abb. Depth and Space Data

n. a numerical designation used by some key machine manufacturers which correlates to a key bitting specification

(already defined in the current dictionary)

see wafer tumbler

n. a discontinued Sargent lockset that combined a key-in-knob with a mortise chassis

n. the pin tumbler in a tubular lock that makes direct contact with the key

The following are the terms up for peer review. Make a comment on any term where you feel the proposed definition needs changing, your proposed change, and your reasoning. You can view the terms currently in the peer review process here . https://www.listcouncil.org/wp-content/uploads/2025/03/Peer-Review.pdf