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
Source: Lock Industry Standards and Training (LIST) Council
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