Sargent 28-10G38 Ll 26D Classroom Security Cylindrical Lock

Product Description

The SARGENT 28-10G38 LL 26D is a Grade 1 classroom security intruder cylindrical lock designed for use in educational and institutional facilities. It features an L lever handle, a conventional cylinder, and a satin chrome finish. This lock provides the enhanced security function required for classroom intruder lockdown scenarios, allowing a space to be secured from the corridor side without requiring anyone to enter the room. Licensed locksmiths and commercial door hardware specialists are the primary installers of this hardware.

This cylindrical lock is suited for classroom and institutional door applications where a security intruder function is required. The non-handed design simplifies ordering and installation, as the lock fits doors with either hand without modification. The satin chrome finish coordinates with standard commercial hardware finishes common in school and government building environments. The L lever design meets accessibility requirements typical in public and institutional construction projects.

Key Features

• Grade 1 commercial duty rating for high-traffic institutional use
• Classroom security intruder function for lockdown-capable door control
• Non-handed design installs on doors of any handing without modification
• L lever handle with conventional cylinder configuration
• Satin chrome finish for consistent appearance with standard commercial hardware

Compatibility

Designed as an OEM-style cylindrical lock for commercial and institutional doors requiring a Grade 1 classroom security intruder function with a standard cylindrical chassis.

Installation Notes

Installation should be performed by a licensed locksmith or qualified commercial door hardware technician familiar with cylindrical lockset procedures. Ensure the door is properly prepared with the correct cross-bore and edge-bore dimensions before installation. Verify the door and frame meet the load and cycle requirements for Grade 1 hardware per ANSI and BHMA standards. Always confirm local building codes and accessibility requirements are satisfied prior to final installation.