Corbin Russwin 488F04 Grade 1 ML2000 Outside M Escutcheon-Wrought For Grip Only

Corbin Russwin 488F04 ML2000 Series Outside Wrought M Escutcheon for Grip Only

Commercial-Grade Mortise Lock Replacement Escutcheon for ML2000 Series

The Corbin Russwin 488F04 is a wrought “M” escutcheon designed for outside grip-only applications on the ML2000 and ML2000HS Mortise Lock Series. Measuring 7-1/2″ x 2-1/4″, this precision-crafted replacement part delivers a clean, professional appearance while maintaining the structural integrity expected of Grade 1 commercial door hardware. Field reversible door hand direction ensures flexible installation across a wide range of commercial openings.

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
• Healthcare Institutions
• Corridor and Dormitory Environments
• Retail Establishments
• Government and Municipal Buildings
• Multi-Tenant Residential Properties

Why Choose Corbin Russwin Quality?

Corbin Russwin mortise lock parts and accessories are built to Grade 1 commercial standards, ensuring reliable performance in demanding institutional and commercial applications. The 488F04 wrought M escutcheon is backed by a 10 Year Limited warranty, reflecting the brand’s commitment to long-lasting door hardware solutions. Engineered for the ML2000 and ML2000HS Series, this replacement part maintains the precision fit and professional finish that commercial installers depend on.