Marks USA MAR5SS19J 5SS19J LifeSaver Anti-Ligature Classroom Lever Mortise Lock - Institutional Grade, Satin Stainless Steel

Marks USA 5SS19J LifeSaver Anti-Ligature Classroom Lever Mortise Lock - Institutional Grade, Satin Stainless Steel

The Marks USA 5SS19J LifeSaver is an institutional-grade anti-ligature classroom lever mortise lock engineered specifically for Behavioral Health Care Institutions to address Life Safety, Security, Managed Liability, and Accident Prevention. Designed to restrict the attachment of lines, laces, and similar items to door levers, this mortise lockset features a steel case measuring 4 3/16" x 6 1/16" x 7/16" with a 2 3/4" backset and is built for 1 3/4" door thickness. It meets or exceeds all operational and security tests of ANSI specifications A156.13-2005 for Series 5000, Grade 1, and carries BHMA and CULUS Listed certifications, making it a trusted solution for demanding institutional environments.

Key Features

• Anti-Ligature Design: Engineered to restrict the attachment of lines, laces, and similar items to door levers, reducing risk in behavioral health and institutional settings.
• Precise Dimensional Specifications: Steel case measures 4 3/16" x 6 1/16" x 7/16" with a 2 3/4" backset and a 9/16" latch throw, designed for 1 3/4" door thickness.
• Classroom Function (ANSI F05): Outside lever is locked or unlocked by key; inside lever always free for egress — ideal for educational and institutional classroom security.
• Clutch Lever with Needle Bearings: Features a clutch lever and needle bearings for smooth, durable operation under heavy institutional use.
• Satin Stainless Steel Finish: Durable Satin Stainless Steel finish (SS19 Lever style) provides corrosion resistance and a professional appearance suited for healthcare and institutional environments.
• Non-Handed Design: Non-handed configuration simplifies installation and reduces inventory requirements for facilities managers.
• Fire Rated Construction: Fire-rated for use in applications requiring compliant fire door assemblies.
• Marks C Keyway with 2 Keys Included: Utilizes the Marks C keyway with 2 keys included, providing controlled access management for institutional facilities.
• Curved Lip Strike Plate: Includes a curved lip strike with a 4 7/8" strike plate height for secure, reliable door latching.

Certifications & Compliance

• ANSI A156.13-2005 Series 5000, Grade 1
• BHMA Certified
• CULUS Listed
• ANSI/BHMA and UL Listed
• ADA Compliant
• Fire Rated

Technical Specifications

• Series: 5SS19 Series
• Latch Throw: 9/16"
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Type: Cylindrical Locks
• Subcategory: Cylindrical Locks
• ANSI/BHMA: ANSI/BHMA, UL Listed
• Lock Type: Cylindrical
• Function Description: Latch retracted by knobs/levers at all times
• Front Size: 1-1/8" x 2-1/4"
• ADA Compliant: Yes
• Keyed: No
• ANSI Function: F75
• Product Attribute: Cylindrical Locks
• Product Function: Passage/Hall/Closet
• Latch Type Specification: Deadlocking
• Product Category: Mechanical Locks
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Typical Applications

• Behavioral Health Care Institutions
• Psychiatric and Mental Health Facilities
• Educational and Classroom Environments
• Healthcare and Hospital Facilities
• Correctional and Detention Facilities
• Government and Municipal Buildings
• Institutional and Commercial Office Buildings

Why Marks USA 5SS19J LifeSaver?

Marks USA developed the LifeSaver line specifically to meet the unique demands of institutional life safety and behavioral health environments, delivering a mortise lockset that meets or exceeds ANSI A156.13-2005 Series 5000, Grade 1 standards with BHMA and CULUS certifications. The steel case construction, clutch lever with needle bearings, and anti-ligature lever design reflect a commitment to professional-grade durability and occupant safety in the most demanding commercial and institutional applications.