Corbin Russwin CL3551 Heavy-Duty Entrance Lever Lock
Entrance or Office - ANSI F109
- Deadlocking latchbolt by lever either side except when turn button locks outside lever. Pushing turn button locks outside lever, requiring use of key outside to unlock.
- Turning inside lever unlocks outside lever (when button is pushed in but not turned).
- Pushing in and turning button locks outside lever, requiring key at all times. Turning inside lever does not unlock outside lever until button is manually turned to unlocked position.
- Inside lever always free.
ANSI: Meets A156.2 Series 4000, Grade 1
Strike: ANSI curved lip 4-7/8" x 1-1/4" x 1-1/4" lip to center
Cylinder: Brass, 6-pin, L4 keyway standard
Keys:Two nickel silver keys
Door Thickness: 1-3/4" (44mm) standard
Lock Chassis:Steel, zinc dichromated for corrosion resistance
Backset: 2-3/4" (70mm) standard
Latchbolt: Brass, chrome plated with 1/2" throw
Auxiliary Latchbolt:Deadlocking latchbolt prevents manipulation when door is closed
Front:Brass, Bronze or Stainless Steel. 2-1/4" x 1-1/8" standard for 2-3/4", 3-3/4" and 5" backset. 2-1/4" x 1" standard for 2-3/8" backset. Accommodates flat doors and doors beveled 1/8" in 2". Optional: rounded corner fronts; 1" fronts for 2-3/4" backset (standard for 2-3/8" backset)