- A -
160 prep
n. a standard door
preparation which consists of a 2-1/8" cross-bore
with a 2-3/8" backset, and a 1" edge-bore with
a mortise 1" wide and 2-1/4" high
161
prep
n. a standard door
preparation which consists of a 2-1/8" cross-bore
with a 2-3/4" backset, and a 1" edge-bore with
a mortise 1-1/8" wide and 2-1/4" high
A2
n. an increment of .0125 typically used in a small format
interchangeable core (SFIC)
A3
n. an increment of .018 typically used in a small format
interchangeable core (SFIC)
A4
n. an increment of .021 typically used in a small format
interchangeable core (SFIC)
access control
n. any barrier or device, either natural or man made, that limits or
prohibits, free or unlimited access
access control cylinder
n. a replacement for a mechanical cylinder which incorporates electronic
access control and allows the original host lock to function without
additional wiring or hardware modifications
access control key fob
n. any device other than a
key designed to allow a token to be used and carried on a key ring
accessory position
n. the position of an ignition switch intended to permit
the use of radio or other equipment without turning on a drive train
component
active case
n. the exit device case mounted on the stile of the door
on which the lock is located
active
leaf
n. the single door
of a pair on which the active or locking hardware is
mounted
active relocking device
n. a device that places its bolts every time a safe door is
closed and activation via attack prevents it from retracting its bolts
active retainer
n. 1. a cylinder
retaining mechanism which requires that the plug be rotated before the
cylinder can be removed, 2. a plug retaining mechanism which requires that
the plug be rotated before the retainer can be removed
actuator
n. a device,
usually connected to a cylinder, which, when activated,
may cause a lock mechanism to operate
ADA
abb. Americans with
Disabilities Act
adjustable ball hinge
n. a pivot with adjustable height for narrow stile doors
adjustable collar
n. a spring-loaded cylinder collar which can fill a range
of gaps between the cylinder head and the door or
escutcheon surface
adjustable
mortise cylinder
n. any mortise
cylinder whose length can be adjusted for a better fit in
doors of varying thickness
AED
abb. anti-explosive device
AFTE
abb. Association of
Firearm and Toolmark Examiners
after
hours depository
n. a locked
receptacle for the deposit of items after regular hours
AHC
abb. Architectural
Hardware Consultant (as certified by DHI)
AHD
abb. after hours
depository
AHJ
abb. authority
having jurisdiction
alarm
system
n. a system of
electrical and/or electronic components which detect and
report dangers, such as fire or intrusion
aligning
tube
n. 1. a lock
component which orients and joins the latch and knob
spindles of certain bored locksets, 2. in some combination
locks, a tube which houses the spindle, located between
the dial ring and the lock
alignment pin
n. the perpendicular projection from a master lever in a master keyed lever
tumbler lock, which engages a group of combination levers and moves their
gates to align with the fence
all-section
key blank
n. the key section
which enters all keyways of a multiplex key system
ALOA
abb. Associated
Locksmiths of America, Inc.
Americans
with Disabilities Act
n. a US federal law
dealing with minimum standards of building accessibility,
as well as other issues concerning individuals with
disabilities
angularly
bitted key
n. a key which has
cuts made into the blade at various degrees of rotation
from the perpendicular
annunciator n. an audible and/or visual signaling device
ANSI
abb. American
National Standards Institute
ANSI
strike
n. any of many
strikes designed to fit door and frame preparations as
specified in the applicable document in the ANSI A115
series, common usage refers to a strike with dimensions
of 4 7/8" X 1 1/4"
ANSI
117.1
n. that section of
the American National Standards Institute documents
pertaining to handicap access
anti-friction
adj. pertaining to
a feature which, upon contact with the strike, allows
smoother operation of a latch bolt
anti-passback
adj. of or pertaining to an access control system feature designed prevent
consecutive use of a given credential to allow entry by more than one person at
a time
anti-punch collar n. a two part system installed on a spindle shaft and safe body to prevent
the spindle shaft from being punched into the lock case
anti-rap
adj. specifically designed to preclude bypass via
attack based on sharp, repetitive blows to the mechanism
anti slip positioned
adj. of or pertaining to the orientation of a cam on a profile cylinder
which requires rotation before it may be removed from the lock case
anti-wrench reinforcement spring
n. a lock cylinder spring designed to protect the inner
and outer halves of a profile cylinder from being forcibly
separated as a means of brute force entry
arbor
n. the threaded end of a safe door handle
architectural finish code
n. one of a series of specification codes used to
indicate the color and texture of a metal end product that can be
installed. Some finish specifications also note the base metal
characteristics and processes used to obtain the end product.
architectural
hardware
n. 1. fittings applied to protect a
surface of, or to facilitate use of movable members in a
building such as doors, windows, or cabinets, 2. various
fixtures used in building construction
arm (of a closer)
n. door closer linkage which connects the closer
to the frame or door, depending on the mounting style
armored
escutcheon
n. a usually hardened escutcheon, typically beveled, that
resists physical attack
armored
face plate
n. a face plate that conceals all lock and/or cylinder
mounting screws
ASIS
abb. American
Society for Industrial Security
assembly
occupancy
n. those buildings
or areas which are designated as places of assembly
according to life safety or building codes
associated
change key
n. a change key
which is related directly to particular master key(s)
through the use of constant cuts
associated
master key
n. a master key
which has particular change keys related directly to its
combination through the use of constant cuts
ASTM
abb. American
Society for Testing and Materials
astragal
n. a molding
attached to the face of the active leaf of a pair of
doors and overlapping the inactive leaf
ATM
abb. automatic
teller machine
ATT
abb. attendant's key
attack
resistance
adj. design qualities
of a product that render brute force physical defeat
methods less effective or ineffective
attendant's
key
n. a selective
master key used in a hospital keying system
audit overrun
n. a means of attack designed to eliminate
entries in an access control database, overfilling and
scrolling off previous entries
audit trail
n. a specific group of events selected from transaction
records and listed sequentially
authority
having jurisdiction
n. that person,
usually within a municipality, charged with the
application and interpretation of local life safety codes
automatic closing
adj. pertaining
to a door which is equipped with a door closer, or other device
to close it without manual intervention. Frequently found in
Life Safety and fire code requirements.
automatic
deadbolt
n. a deadbolt
designed to extend itself fully when the door is closed
automatic
flush bolt
n. a flush bolt
designed to extend itself when both leaves of the pair of
doors are in the closed position
automatic key machine
n. a machine capable of cutting keys with manual operations limited to
loading and unloading keys
automatic
teller machine
n. a device for
dispensing cash, receiving deposits and performing other
banking functions upon presentation of the proper
authorization
auxiliary
lock
n. any lock
installed in addition to the primary lockset
auxiliary
spring
n. a secondary spring
used to support the lever handles of a lockset
auxiliary spring rose
n. oversized
trim that interlocks with a lock chassis and external lever
as a means to mount an auxiliary spring
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