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valet key

n. an automotive key that operates all locks except storage compartments, on a vehicle where there is also a master key to operate all locks

VATS

abb. Vehicle Anti-Theft System

VATS interrogator

n. a device which determines the resistor value required to complete the ignition circuit. It also reads the value of the resistor in a VATS key.

vault

n. a secure room in which objects of value are stored

VD

abb. vertical down

Vehicle Anti-Theft System

n. an electronic system in some General Motors vehicles which uses a resistor pellet of varying value imbedded in a mechanical ignition key

vertical down

adj. of or pertaining to a mounting orientation of a safe or vault lock such that the bolt projects downward

vertical group master key

n. the two-pin master key for all combinations listed in all blocks in a line down a page in the standard progression format

vertical rod exit device

n. an exit device with bolts typically at the top and bottom of a door connected to a central mechanism by rods

vertical up

adj. of or pertaining to a mounting orientation of a safe or vault lock such that the bolt projects upward

VGM

abb. vertical group master key

virtual keyway 
n. a secondary locking mechanism combination used as a method of discriminating between suppliers for key control 

 

vise arm

n. the movable jaw of a key machine vise

vise nut

n. a nut, with an external design to facilitate use without tools, that works in conjunction with the vise stud to tighten the vise on a key machine

vise stud

n. a threaded post mounted to the carriage of a key machine to provide a means of tightening the vise

visual key control

n. a specification that all keys and the visible portion of the front of all lock cylinders be stamped with standard keying symbols

VKC

abb. visual key control

VU

abb. vertical up