Sargent 8239-US26D Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Grade 1, Field Reversible, 626 Satin Chrome Finish

The Sargent 8239-US26D Mortise Lock delivers dependable security for classrooms and other high-traffic commercial openings where fast lockdown capability matters. This Grade 1 lock body features the Classroom Security Intruder function, allowing a key on either side to lock or unlock the outside lever so instructors can secure a room from inside without stepping into the hallway. Built to the demanding standards of Sargent's 8200 Series, it offers field-reversible handing for installation flexibility and a durable Satin Chrome (US26D/626) finish that resists wear and blends with a wide range of door hardware. Sold as a lock body only, it's an ideal replacement or component for new door assemblies.

Features

• Classroom Security Intruder function lets you lock or unlock the outside lever using a key from either side of the door.
• ANSI/BHMA Grade 1 certified for heavy-duty commercial performance.
• Field-reversible design accommodates left- and right-hand door configurations.
• Satin Chrome (US26D/626) finish provides a clean, corrosion-resistant appearance.
• Sold as a lock body only for use as a replacement or in custom lock assemblies.
• Part of Sargent's proven 8200 Series mortise lock platform.

Functional Details

The 8239 Classroom Security Intruder function is designed for lockdown situations. A key operates the inside cylinder to lock or unlock the outside lever, so a room can be secured without opening the door. The inside lever always retracts the latch for free egress.

• Key outside locks or unlocks outside lever.
• Key inside locks or unlocks outside lever.
• Latchbolt retracted by lever from either side except when outside lever is locked by key.
• Inside lever always active for immediate egress.
• Auxiliary latch deadlocks latchbolt when door is closed.