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CYLINDERS
Page 8
5400LN Series Cylindrical Lock
CYLINDER OPTIONS
The following selection guide indicates the correct key-in-lever cylinder for each locking segment.
SECURITY CYLINDERS
The patented Yale
®
Security Cylinder
(Patent No. 4638651) contains two
independent locking mechanisms. The first
is a traditional 6- or 7-pin tumbler
mechanism with spool drivers for greatly
increased picking resistance.
The second is an innovative 5-tumbler
rotating disc mechanism with sidebar
engagement. The rotating discs are spring
loaded and block the bottom of the keyway.
Illustration
Lockset Series:
5400LN
Types of Cylinder Mechanisms
Conventional Patented Keyway Security High Security
Cylinder Types
Fixed Core 6-pin 7-pin 6-pin 7-pin 6-pin 7-pin 6-pin 7-pin
Key-In-Knob 1802 1802A K402 K402 5802 5802A N/A N/A
Interchangeable Core
LFIC 1210 N/A K800 N/A 5210 5220 N/A N/A
SFIC N/A N/A K600 N/A N/A N/A N/A N/A
Refer to Yale
®
KeyMark
®
and/or Cylinders and Keys Catalog sections for all details and
how to order examples.
1802
1210
PATENTED KEYWAY CYLINDERS
For those applications requiring patented key control, Yale's KeyMark
®
line of patented keyway cylinders
provides the ultimate protection against unauthorized key duplication. Yale KeyMark's utility-patented
Security Leg
®
keyway features increased resistance against picking and impressioning and can easily retrofit
into existing systems. For further details and availability, refer to the separate Yale KeyMark catalog.