Marks USA MAR5SS19L 5SS19L LifeSaver Anti-Ligature Bathroom Mortise Lock - Grade 1, Stainless Steel, ADA Compliant

Marks USA 5SS19L LifeSaver Anti-Ligature Bathroom Mortise Lock — Grade 1, Stainless Steel, ADA Compliant

The Marks USA 5SS19L LifeSaver is a Grade 1 institutional mortise lockset engineered specifically for behavioral health and detention facility environments where ligature resistance is a critical safety requirement. Featuring the SS19 lever style in Bright/Polished Stainless Steel, this mechanical lockset accommodates doors with a required thickness of 1-3/4 in and a 2-3/4 in backset, with a 4-7/8 in curved lip strike plate. Constructed with a stainless steel body and a stamped steel case measuring 1-1/16", the 5SS19L is cULus Listed, BHMA certified, and fully ADA compliant, making it a trusted solution for demanding institutional applications.

Key Features

• Anti-Ligature Design: Ligature-resistant SS19 lever and rose configuration engineered to reduce self-harm risks in behavioral health and detention facility environments.
• Door Thickness Compatibility: Designed for doors with a required and maximum thickness of 1-3/4 in, ensuring a precise and secure fit in standard institutional door preparations.
• Dimensional Specifications: Features a 2-3/4 in backset, a 4-7/8 in curved lip strike plate, a front size of 1-1/8" x 2-1/4", and a 9/16" latch throw for reliable latching performance.
• Grade 1 Construction: Meets ANSI/BHMA Grade 1 standards with a stainless steel body and stamped steel 1-1/16" case, delivering exceptional durability for high-traffic commercial and institutional use.
• Clutch Lever with Needle Bearings: Internal clutch lever mechanism and needle bearings provide smooth, consistent operation and long-term mechanical reliability under heavy institutional use.
• Non-Handed Operation: Non-handed design simplifies installation and inventory management, compatible with doors of any swing direction without modification.
• Deadlocking Latch: Dead bolt / deadlocking latch type (ANSI Function F21/F75) with latch retracted by levers at all times, supporting passage and hall/closet function requirements.
• Marks C Keyway: Keyed outside via Marks C keyway; includes 2 keys for immediate use upon installation.

Certifications & Compliance

• ANSI/BHMA Grade 1 Certified
• cULus Listed
• UL Listed for 3-Hour Fire Rating
• ADA Compliant
• Ligature-Resistant — Suitable for Behavioral Health and Detention Facility Applications
• Marks USA Lifetime Mechanical Warranty

Technical Specifications

• Series: 5SS19 Series
• Latch Throw: 9/16"
• Grade: Grade 1
• Product Subgroup: Bored Locksets
• Product Type: Cylindrical Locks
• Subcategory: Cylindrical Locks
• ANSI/BHMA: ANSI/BHMA, UL Listed
• 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
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Typical Applications

• Behavioral Health Facilities and Psychiatric Units
• Detention Centers and Correctional Institutions
• Hospital and Healthcare Restrooms
• Institutional Bathroom and Shower Facilities
• Educational Institution Secure Restrooms
• Government and Municipal Buildings
• Commercial Office and Multi-Tenant Residential Properties

Why Marks USA 5SS19L LifeSaver?

Marks USA 5SS19L LifeSaver mortise locksets are purpose-built for the most demanding institutional environments, combining a ligature-resistant SS19 lever design with Grade 1 stainless steel construction, clutch lever mechanics, and needle bearings for lasting performance. Backed by a Marks USA lifetime mechanical warranty and certified to cULus, ANSI/BHMA, and ADA standards — including a UL Listed 3-hour fire rating — the 5SS19L delivers the safety, compliance, and reliability that behavioral health and detention facility professionals require.