Applications
Standard Duty Commercial
Backsets
- 2-3/4" (70mm)
Certifications
- ADA Compliant ANSI A117.1 Accessibility Code
- UL/cUL Listed for all functions up to 3 hours "A" label single doors
- UL10C Positive Pressure Rated
- BHMA Certified ANSI A156.2, Series 4000, Grade 2
- ANSI A250.13 Severe Windstorm Compliant (Levers
Cylinders/Cores
- Keyed Different - standard
- Cylinder drilled 6 pin, Keyed 5 pin - standard
- Other Keying options, including 6 pin keyed, available from factory
- Zero bit cylinders will be 6 pin keyed
- SFIC uncombinated or combinated, brass 6 pin or 7 pin cores sold separately
Door Thickness
1-3/8" - 2" (35 mm - 51 mm)
Exposed Trim
Wrought brass, Bronze, and Stainless steel
Finishes
- US3, US4, US10B, US26, US26D and BLK
- Anti-Microbial coating (US26D finish only)
Functions
Entry (F109)
Keyway
Schlage C - Standard, other keyways optional
Latchbolt Type
- 1/2" (13 mm) throw, stainless steel
- 1-1/8" x 2-1/4" (29 mm x 57 mm) faceplate for 2-3/4" (70 mm) backset
- 1" x 2-1/4" (25 mm x 57 mm) faceplate for 2-3/8" (60 mm) backset
- Deadlocking latchbolt prevents manipulation when door is closed
Lock Chassis
Heavy gauge steel, zinc dichromated for corrosion resistance. Thru-posts are removable. Failure to install thru-posts and screws voids BHMA certification, UL rating, and warranty
Notes
- No exposed mounting screws
- Non-handed
Options
- Lead Lining
- Tactile Warning
- Split Finish
Rose Diameter: 3-11/32" (85 mm)
Strikes
- 1-1/4" x 4-7/8" (32 mm x 124 mm) ASA strike
Manufacturer Resources
Product Specs
- Category:
- Mechanical Locks
- Warranty:
- 5 Year
- Keyed Function:
- Single Cylinder
- Model:
- 3553
- Door Thickness:
- 1-3/8" to 2"
- Backset:
- 2-3/4"
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Subcategory:
- Cylindrical Locks
- Keyed:
- Yes
- Strike:
- ASA Strike
- Commercial/Residential:
- Commercial
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Function:
- Entrance
- Grade:
- Grade 2
- Product Attribute:
- Cylindrical Locks