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
active plug retainer
n. one in which the plug must be turned befor the
device may be released or 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
area zoning
n. the standard of limiting access, or detecting
access, in multiple areas smaller than the entire installation
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
