Corbin Russwin Single Grade 1 Cylinder Mortise Lock, LW-Lustra Lever

Corbin Russwin ML2053 Single Cylinder Mortise Lock with LW-Lustra Lever, 626 Satin Chrome, Grade 1

Commercial-Grade ML2000 Series Mortise Lock Trim for High-Traffic Applications

The Corbin Russwin ML2053 is a Grade 1 single cylinder mortise lock featuring the LW-Lustra lever in a 626 Satin Chrome finish, part of the trusted ML2000 Series. Engineered for demanding commercial, institutional, industrial, and government environments, this mortise lock delivers ANSI function F01 operation with latchbolt actuation by grip from either side and both grips always free. Constructed of heavy-gauge steel, the lockbody incorporates a patented Quick Reversible latchbolt and a 1" stainless steel deadbolt, providing life safety and security in a single door preparation. The ML2000 Series has been UL cycle tested above and beyond standard requirements, completing over 14.5 million cycles (Verification ID: V875753), making it an ideal choice for offices, schools, hospitals, hotels, and other high-use facilities.

Professional Features & Benefits

• ANSI/BHMA Grade 1 mortise lock per A156.13 Series 1000, Operational and Security Grade 1
• UL Cycle above and beyond: 14.5 Million Cycles (Verification ID: V875753)
• Patented Quick Reversible latchbolt — reverse handing without disassembling the lock case
• Multi-function capability: 12 functions configurable from one ML2054 lockbody
• Heavy-gauge steel lockcase 5-7/8" x 4" x 15/16"; 1" stainless steel deadbolt, 1" throw
• 3/4" (19mm) throw anti-friction two-piece latchbolt requires less force to close
• Wide variety of trim designs including Muséo®, Vineyard™, Behavioral Health (BHSS/BLSS)
• Status indicator options for locked/unlocked visibility (sectional and escutcheon trim)
• Motorized Electric Latch Retraction (MELR) available for ML20900 series
• Thru-bolted trim designs for proper alignment and increased security
• Can be used with new or existing Corbin Russwin key systems; accepts most other manufacturers' cylinders
• UL/cUL listed, UL10C positive pressure; 3-hour fire door up to 4' x 10' single or 8' x 10' pair
• Ten-year mechanical warranty; five-year MELR; two-year electrical

Technical Specifications

• Grade: ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1
• Handing: Handed; quick reversible — re-handed without disassembling the lock case
• Door Thickness: 1-3/4" (44mm) standard; optional thicknesses available
• Backset: 2-3/4" (70mm)
• Lockcase: Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
• Armored Front: Wrought brass, bronze, or stainless steel, 8" x 1-1/4"
• Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" (19mm) throw
• Auxiliary Latchbolt: 9/16" (14mm) effective throw; deadlocking
• Deadbolt: One-piece stainless steel, 19/32" x 1-1/4" x 1" (25mm) throw
• Strike: Wrought brass, bronze, or stainless steel, ANSI straight lip, 4-7/8" x 1-1/4" x 1-1/8" lip to center
• Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
• Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm); knob/lever to thumbturn: 2-7/16" (62mm)
• Certifications: ANSI/BHMA A156.13 Grade 1; UL/cUL UL10C 3-hour positive pressure; ADA A117.1; California State Fire Marshal; Windstorm/Hurricane certified
• Warranty: Ten-year mechanical; five-year MELR; two-year electrical

Professional Applications

• Commercial Office Buildings
• Educational Facilities and Schools
• Healthcare Institutions and Hospitals
• Hotel and Hospitality Properties
• Industrial and Government Facilities
• Multi-Tenant Residential and Institutional Properties
• High-Traffic Retail Establishments

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series option features stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a formidable barrier against vandalism and abuse. When paired with Corbin Russwin's patented high-security Pyramid or Access 3® cylinders, the ML2000 Series transforms any door into a robust deterrent against unauthorized entry.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise lock products deliver professional-grade reliability built from heavy-gauge steel and rated for over 14.5 million UL-verified cycles (Verification ID: V875753), setting a benchmark for durability in high-traffic commercial applications. The ML2053 is backed by a 10-year warranty, providing long-term confidence for facility managers, contractors, and security professionals. Engineered with patented features like the Quick Reversible latchbolt and thru-bolted trim, Corbin Russwin delivers the performance and versatility demanded by offices, schools, hospitals, and government buildings worldwide.