Kaba 5402 Series, Technical Manual

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Section 4 - 9
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The TMK register logs all top master keys and control keys by system register number to prevent duplication
of systems. This type of register is kept by all manufacturers. Kaba maintains their logs by keyway, parity
pattern and system location.
Example of TMK Register
Mfr. Key Section TMK Control Parity Location Register #
Corbin 60 453263 Sys70 Toledo A012
Dexter 67 12212 OEEOE Medina A102
Kaba PEAKS-D 836152 EOEOOE Parma A016
Kaba PEAKS-D 793063 957405 OOOEEO Bay Village A015
Kwikset 1063 41363 none Rocky River A035
Sargent LA 361794 363594 OEOOOE Bay Village A013
Adding small & large format interchangeable cores to a system of conventional
cylinders
Small format interchangeable core / large format interchangeable core cylinders can usually be added to a
system of 140 conventional cylinders at any time. KABA recommends that you write a control key for all
Peaks systems, so that if small format interchangeable core / large format interchangeable core is added
later, the control key will be properly designed.
Visual Key Control (VKC)
Visual key control is the marking of the face of cores and cylinders with the symbols of the standard key cod-
ing system. From a security standpoint this is not a wise practice. If a key is found, a glance at the face of
the cylinder would reveal what the key operates.
Do not stamp the plug face. This voids the warranty and may collapse the
patent pin chamber.
Concealed Key Control (CKC)
Concealed key control is the marking of key symbols on the side or back of cores or cylinders. Kaba marks
the key symbol on the side of the core with a permanent marker. In this way, when the core is recombinated,
the key symbol can be buffed off and no damage will be done.
The TMK Register