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| (abb.) Sub-Assembled |
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| (n.) A substantial, secure container with varying degrees of security and/or fire resistance, used to store valuables against fire or theft. |
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| (n.) A typically key accessed container that requires dual key operation, usually located inside a vault. |
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| (adj.) An operational characteristic of a lock which requires two separate keys working in tandem to open the lock. |
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| (n.) A lock that typically requires two separate keys to access a container. |
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| (n.) That portion of a safe used to gain access to the contents of the safe in a normal day to day manner. |
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| (n.) An access control area with doors or gates secured by interlocks such that only one may be opened at a time. |
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| (n.) A type of window lock. |
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| (abb.) Safe and Vault Technicians Association |
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| (abb.) Southern Building Code Congress International |
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| (n.) A thin piece of metal which is usually crimped or spun onto the front of a cylinder. It determines the cylinder's finish and may also serve as the plug retainer. |
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| (n.) A lock designed for the thin stiles typically found on screen and storm doors. |
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| (n.) A perforated tumbler that may have its combination set by placement of a screw in one of the perforations. |
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| (n.) A mortise lock knob assembly secured to the spindle without screws. |
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| (n.) A mortise lock rose installed without screws. |
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| (abb.) Safe Deposit Box |
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| (n.) A single use device intended to give recognizable evidence to the physical opening or entry of a door, container, or space. |
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| (n.) A key reproduced from a first generation duplicate. |
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| (n.) A key which operates certain locks on a vehicle, but not the ignition lock. |
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| (n.) A small keyless rim latch, which when properly installed, is operated by pressing a concealed actuator. |
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| (n.) A design that uses two or more escutcheons on the same side of a door for a single lock. |
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| (n.) A protective cylinder collar. |
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| (n.) A key section and keyway design that incorporates two non-curved planes of the key blade intersecting at an angle between 1 and 89 degrees. |
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| (n.) A plug follower sliced into sections which are introduced into the cylinder shell one at a time. It is typically used with profile cylinders. |
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| (n.) A key system in which every key has the capability of being a master key. It is normally used for applications requiring a limited number of keys and extensive cross keying. |
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| (n.) An unassociated master key which can be made to operate any specific lock(s) in the entire system in addition to the regular master key(s) and/or change key(s) for the cylinder without creating key interchange. |
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| (adj.) Pertaining to doors or covers which have a continuous force applied in the closing direction. |
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| (n.) A machine capable of duplicating keys with limited manual operations. |
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| (n.) The order in which bitting positions are progressed to obtain change key combinations. |
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| (n.) A type of disc tumbler used in certain binary type disc tumbler key-in-knob locks. Its presence requires that no cut be made in that position on the operating key(s). |
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| (n.) A fence with "V" shaped notches on a contact surface to inhibit manipulation. |
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(n.) 1. A disk tumbler with "V" shaped notches in its sides that do not allow operation.
(n.) 2. A lever tumbler which has "V" shaped notches in the contact end near the gate.
(n.) 3. A pin tumbler with "V" shaped grooves around its circumference.
(n.) 4. A combination wheel with "V" shaped notches along its outside diameter. |
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| (n.) In an electronic lock, a factory set or user set code or combination that will open the lock one time. |
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(n.) 1. An aperture aligned with each chamber, providing a path for the ejector pin to drive the entire pin stack from an IC.
(n.) 2. A hole in a cylinder shell intended to provide access for rekeying without disassembly of the cylinder. |
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| (n.) The back cover of a safe door which must be opened or removed to allow access for repairs. |
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| (n.) Any keyway whose shape has been configured to receive protection under trademark or servicemark law. |
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| (n.) A screw used to fasten a component in a fixed position relative to another component. |
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| (n.) A key used to calibrate some types of key machines. |
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| (n.) A type of loading tool shaped like a plug follower. It contains pin chambers and is used with a shove knife to load springs and top pins into a cylinder shell. |
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| (n.) A process wherein key bittings are obtained by using the cut possibilities in seven columns of the key bitting array. |
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| (n.) A master key for all combinations obtained by progressing seven bitting positions. |
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| (n.) A nut and bolt set used to through bolt, with a closed nut basically flush with the mounting surface creating the appearance of a carriage bolt. |
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| (abb.) Small Format Interchangeable Core |
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(n.) 1. The part of a padlock, which passes through an opening in an object or fits around an object and is ultimately locked into the case.
(n.) 2. The portion of a restraint which fits around the wrist, ankle, neck, waist or thumb. |
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| (n.) A pin which keeps an unlocked shackle heel in the case. |
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| (n.) A spring which pushes the shackle into the open position when the padlock is unlocked. |
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(n.) 1. The part of a bit key between the bow and the stop; or, if there is no shoulder stop, the part between the bow and the near side of the bit.
(n.) 2. A smaller diameter portion of a knob that is positioned between the larger portion of the knob and the rose or the door surface. |
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| (abb.) Security Hardware Distributors Association (formerly NLSA) |
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| (n.) A location in a cylinder at which specific tumbler surfaces must be aligned, removing obstruction(s) which prevented the plug from moving. |
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| (n.) The part of the cylinder which surrounds the plug and which usually contains tumbler chambers corresponding to those in the plug. |
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(n.) 1. A thin piece of material used to unlock the cylinder plug from the shell by separating the pin tumblers at the shear line, one at a time.
(v.) 2. To unlock a cylinder plug from its shell by using a shim. |
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(n.) 1. A bracket which attaches the arm of a door closer to the door or frame.
(n.) 2. The surface mounted case and guide components of an exit device.
(n.) 3. A mortise lock component which transfers pivoting motion of a thumbpiece to linear movement of the latch bolt. |
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| (n.) Any key stop other than a tip stop. |
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| (n.) A pin chamber with an internal shelf that limits travel of a complementarily shaped bottom pin. |
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| (n.) A pin tumbler shaped as to prevent it from fully entering an unoccupied keyway or limit its travel within a pin chamber. |
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| (n.) In a safe lock, a spindle with a larger uniform diameter toward outside to prevent punching the spindle into the container. |
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| (n.) A tool used with a set-up plug which pushes the springs and pin tumblers into the cylinder shell. |
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| (n.) Normally a ratchet lock or plunger lock used on bypassing doors. |
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| (n.) A shackle which is protected from cutting or tampering by design or by the use of secondary shields. |
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| (n.) A maintained contact switch, often key operated. |
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| (n.) Usually used in hotel keying systems, a key which will make the lock inoperative to all other keys in the system except the emergency master key, display key, and some types of shut out keys. |
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| (n.) The state of a hotel function lockset which prevents operation by all keys except the emergency master key, display key, and some types of shut out keys. |
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(n.) 1. A spring-loaded device which closes upon the removal of a cylinder tailpiece, protecting a locking device from being manipulated.
(n.) 2. A spring-loaded device which covers a cylinder keyway when the key is not in it. |
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| (n.) A spring which returns the shutter on a lock to the closed position. |
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| (n.) A key in the form of a sickle inserted through a hole in a door to actuate a bolt on the opposite side of the door. |
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| (n.) A key machine cutting wheel with a squared edge that can cut on the side as well as the periphery of the wheel. |
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| (n.) A portion of a multi-part pin tumbler lock plug used to complete the shear line fully around the plug. |
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| (n.) A ward which prevents entry of an incorrect key into a non cylinder lock. |
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| (n.) A cut made into a key to bypass a side ward. |
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| (n.) A lock mechanism which incorporates a sidebar. |
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| (n.) A cylinder locking member mounted longitudinally in a plug, which engages multiple tumblers. |
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| (n.) A master keying style of pin tumbler locks which uses the keying capabilities of the secondary security technology to effect master keyed locking. Obtaining a single key in the system does not reveal the same secondary combination of all keys. |
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| (n.) Typically an automotive key with a bitting(s) milled into the widest side(s) of the key blade with an end milling cutter. |
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| (adj.) Describes an alarm that annunciates detection to a remote location instead of a local location. |
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| (n.) A non deadlocking latch. |
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| (n.) A single independent key section which cannot be used in a multiplex key system. |
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| (n.) A feature which allows retraction of both the deadbolt and latchbolt in the same operation. |
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| (n.) A door which swings from the latched position in only one direction. |
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| (n.) A lever tumbler which must be moved a minimum distance to allow travel of a bolt, but cannot be moved so far as to restrict travel of the bolt. |
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| (adj.) Pertaining to a lock with key operation from only one side. |
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| (n.) An individual key section which can be used in a multiplex key system. |
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| (n.) A progression using a one increment difference between bittings of a given position. |
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| (adj.) The shape of a cutout for a lock, circular except for a flat section on one side. |
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| (n.) A process wherein key bittings are obtained by using the cut possibilities in six columns of the key bitting array. |
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| (n.) A master key for all combinations obtained by progressing six bitting positions. |
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| (abb.) Standard Key Coding System |
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| (sym.) Symbol for "single keyed", normally followed by a numerical designation in the standard key coding system; e.g., SKD1, SKD2, etc. It indicates that a cylinder or lock is not master keyed but is part of the keying system. |
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(n.) 1. A key with a large portion of the bit filed away so that it can open different locks. Also called passkey.
(n.) 2. A passkey with much of the bit filed away so that it can open different locks. |
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| (n.) A tool made from a rod with a handle, a sliding weight on the rod, and a means of attaching to a part to force its movement relative to other parts. |
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| (n.) A tumbler which is normally flat, has a gate and moves with a linear or lateral motion instead of pivoting like a lever tumbler. |
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| (n.) A narrow strip of spring steel used to bypass the cylinder and unlock vehicle doors. |
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| (n.) A cable or layered length of fabric, (usually the latter), with woven loops in both ends, used to lift a safe or vault door with a boom arm lift or forklift. |
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| (n.) A key machine cutter designed to make cuts with a rectangular shape. |
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| (n.) An interchangeable core that replicates the functionality and design popularized by Best. |
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| (n.) A card conforming to ISO specification 7810 and 7816 which one or more integrated circuits with contacts allowing interface to external equipment. |
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| (abb.) Sub-Master Key |
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| (abb.) Safe Manufacturers' National Association |
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| (adj.) Referring to an area or opening protected against the penetration of smoke. |
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(n.) 1. A separate bow which can be affixed to a smaller key bow.
(n.) 2. A bow which retrofits transponder technology to conventional keys for use in access control systems. |
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| (n.) Data used by software to provide or deny access. |
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| (n.) The dimensions from the stop to the center of the first cut and/or to the centers of successive cuts. |
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| (n.) A tool for installing, removing or adjusting a threaded part. The tool is designed to engage one or more holes or depressions which are peripheral or not on-center to the part axis. |
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| (n.) A lock designed to prevent removal of a vehicle's spare tire. |
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| (n.) Any cylinder other than a mortise, rim, key-in-knob or profile cylinder. |
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| (n.) A rotary mechanism serving to simultaneously control the operation of multiple bolts with a radial arrangement. |
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| (n.) A lock that utilizes a special cam as an integral part of the lock to extend or retract the multiple bolts of the lock simultaneously. |
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| (n.) A component which transfers rotary motion from outside a lock or latch case to an inner mechanism. |
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| (n.) A groove in a combination lock spindle designed to accept a spline key. |
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| (n.) A device inserted to position the drive cam relative to the spindle in a combination lock. |
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| (n.) A notch in a combination lock drive cam designed to accept a spline key. |
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| (n.) An astragal constructed of two pieces; each piece being mounted on either door of the pair, and abutting to create a seal. |
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| (adj.) Two separate bolts housed in the same opening in a face of a lock, each operated independently from opposite sides of the door. |
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| (adj.) Of or pertaining to a lockset whose finish is different on each side of the door. |
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| (n.) A two-piece hub which can allow motion from one side of a swivel spindle while preventing it from the other side. |
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| (n.) A method of master keying a pin tumbler cylinder by installing master pins into one or more pin chambers. |
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| (n.) A multi piece spindle which allows a knob or lever to be installed on only one side of a door. |
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| (n.) Disc tumblers which are approximately half the width of a full tumbler used in the same lock, and are paired adjacent to one another in the same cut position. Typically used in automotive locks. |
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| (n.) Usually a top pin which resembles a spool, typically used to increase pick resistance. |
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| (n.) A device for sealing one or more pin chambers. |
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| (n.) A hinge incorporating a mechanism to apply automatic closing force. |
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| (n.) A latch operated under spring pressure, having no deadlatching feature. |
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| (n.) The point at which a spring is anchored, located or attached and at which (from which) it exerts force. |
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| (n.) A dial and dial ring that complement each other to limit viewable numbers to a range of approximately 10 at a time. |
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| (adj.) Pertaining to a rim cabinet lock whose mounting flanges and case form the general shape of a square. |
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| (n.) A latch with a face whose sides meet at 90 degree angles. |
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| (n.) A self contained electronic lock device. |
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| (n.) An industry standard and uniform method of designating all keys and/or cylinders in a master key system. The designation automatically indicates the exact function and keying level of each key and/or cylinder in the system, usually without further explanation. |
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| (n.) A systematic method of listing and relating all change key combinations to all master key combinations in a master key system. The listing is divided into segments known as blocks, horizontal groups, vertical groups, rows, and pages, for levels of control. |
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| (n.) A set of specifications relating to materials, finishes, construction, resistance, or strength that typically establish a minimum acceptable value. |
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| (n.) The portion of a hasp assembly with the hole or opening to receive a padlock. |
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| (n.) A spool or mushroom pin which has had a portion of its end machined to a smaller diameter than the opposite end. It is typically used as a top pin to improve pick resistance by some manufacturers of high security cylinders. |
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| (n.) A special (usually disc) tumbler used in master keying. It has multiple bearing surfaces for blades of different key sections. |
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| (n.) The vertical construction member located on either edge of a door. |
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| (n.) The projecting portion of a doorframe upon which the door rests when closed. |
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| (n.) The part of a key from which all cuts are indexed and which determines how far the key enters the keyway. |
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| (n.) The part of a key machine that aligns a key blank, a pattern key, or both, so that the blank may be cut correctly. |
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| (n.) A button or toggle mechanism which prevents operation of a knob, lever or thumbpiece in a non-bored lock. |
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| (n.) A one or two-piece stop works activator. |
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| (n.) A lockset function in which: a) a deadbolt is operated by key from either side and a latch is operated by working trim from either side; or b) a deadlocking latch can be withdrawn by working trim from either side except when both sides are locked by key from either side. |
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| (abb.) “Safe Technicians Proficiency Registration Program”; the certification program of SAVTA as administered by ALOA. |
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| (n.) A bypass tool for manipulating a spring bolt directly behind the cylinder plug. |
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| (n.) A tool used to mark the jamb, relative to the bolt of the lock, prior to strike installation. |
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| (n.) A metal plate mounted behind a strike, using long screws to secure it to the door frame. |
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| (n.) A bolt receptacle typically mounted in the door jamb or the floor. |
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| (n.) A means of shaping a key bitting by tooling which presses the key in such a way as to leave an indentation on one bitted surface or side of the key, and a protrusion on the other. |
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| (n.) The stationary fence(s) in a lever lock. |
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| (n.) The master key level immediately below the master key in a system of six or more levels of keying. |
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| (n.) A code whose individual characters are converted to individual key cuts or combination numbers by means of a reference table. |
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| (n.) A door latch consisting of a horizontal bar which moves vertically to unlatch on the inside, actuated by a thumb piece on the outside. |
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| (n.) A device which provides visual indication of tampering and includes the ability to be connected into electronic security systems. |
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| (n.) A handle or grip attached to the surface of a door or drawer. |
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| (n.) The radiused part of a lever tumbler with which the key makes contact. |
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| (n.) The speed at which a closer moves a door from open to the point where latching speed is engaged. |
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| (n.) A hinge that allows the door to swing far enough away from the jamb to fully clear the opening at 90 degrees open. |
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(n.) 1. A lock which incorporates an electrical switch as an integral part of its construction.
(n.) 2. A large padlock designed for use on railroad switches. |
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| (n.) Normally a two-piece spindle assembly whose two halves are designed to turn independently. |
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