Sargent 8240 Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Double Cylinder with Deadbolt, Grade 1, Field Reversible

The Sargent 8240 Mortise Lock delivers heavy-duty performance for schools, universities, and other environments where lockdown readiness matters. Built as a lock body only, this Grade 1 unit features the Classroom Security Intruder function with a double cylinder and deadbolt, allowing staff to secure a room from inside or outside without stepping into a hallway during an emergency. Its field-reversible design simplifies installation on either handing, and the durable steel case is engineered to meet the demands of high-traffic commercial openings. As part of Sargent's proven 8200 Series, the 8240 offers reliable security and long-term dependability where safety is a priority.

Features

• Classroom Security Intruder function lets occupants lock the door from inside or outside during a lockdown.
• Double cylinder design with a separate deadbolt for added security.
• Grade 1 certified for the highest level of commercial durability.
• Field-reversible handing for flexible, simplified installation.
• Supplied as a lock body only for use with compatible trim and cylinders.
• Part of the Sargent 8200 Series mortise lock platform.

Functional Details

The Classroom Security Intruder function is designed for lockdown scenarios, giving authorized users the ability to lock the door quickly and safely without exposing themselves to a hallway threat. The latchbolt is operated by lever from either side except when secured, while the deadbolt provides an additional layer of protection.

• Latchbolt operated by lever from either side except when outside lever is locked by key in outside cylinder.
• Deadbolt thrown or retracted by key from either side.
• Inside lever always free for immediate egress.
• Auxiliary latch deadlocks latchbolt when door is closed.