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SUGGESTED SPECIFICATION
Page 13
5400LN Series Cylindrical Lock
GRADE 1 LEVER CYLINDRICAL LOCKSET
Lockset chassis shall be constructed of heavy-gauge cold-rolled steel, zinc dichromate plated to protect against
rust and corrosion. Locksets shall be adjustable to fit doors between 1-3/4" (44mm) to 2-1/4" (57mm) thick.
Locksets shall be non-handed, and shall install easily without the need for specialized installation tools.
Locksets shall have separate anti-rotation throughbolts in the 6 o’clock and 12 o’clock position outside the
2-1/8" face bore, and shall have no exposed mounting screws.
Locksets shall have solid one-piece, cast levers without plastic inserts, and shall be a minimum of 5-1/4" in
length. Levers shall operate independently, and shall have inside and outside lever return springs. Outside
levers on the keyed locksets shall be removable only when the designated key is in the cylinder.
Locksets shall have the capability of accepting 7-pin standard, interchangeable core and high security
cylinders to provide expansion capacity for large master keyed systems.
Vandal resistant levers shall be offered as a standard feature in all locking functions, and shall be Free
Wheeling in the locked condition. Locksets that are rigid in the locked condition, or which must require
resetting (breakaway) are not acceptable.
The latchbolt shall be made of stainless steel.
All locksets shall carry a comprehensive five-year mechanical warranty. Locksets shall carry a lifetime
warranty against lever sag or lever spring breakage.
All locksets shall comply with the following certifications:
- UL 3 Hour Fire Rating
- ANSI A156.2 Series 4000, Grade 1
- ANSI A117.1 Accessibility Code
- ANSI A115.18 Preparation
All locksets shall be 5400LN Series Grade 1 Key-in-Lever cylindrical locksets as assembled by Yale
Commercial Locks and Hardware.