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Sargent 8238 LNL Classroom Security Function Mortise Lockset - LA Keyway
The Sargent 8238 LNL is the definitive solution for facility managers seeking advanced "lockdown" capabilities without sacrificing daily operational efficiency. As a premium Grade 1 Double Cylinder Mortise Lockset, it is specifically engineered for K-12 schools, universities, and government offices where rapid response to an active threat is a critical safety requirement. Part of the industry-leading Sargent 8200 Series, this lockset far exceeds ANSI/BHMA A156.13 standards, offering unmatched physical strength and a specialized security function that allows the door to be locked from either side of the opening.
Advanced Classroom Security "Intruder" Function (ANSI F32)
The 8238 Classroom Security Function is designed to keep occupants safe by providing staff with the ability to secure the room instantly from the inside, eliminating the need to open the door or step into a hallway during an emergency.
- Dual-Cylinder Control: The exterior lever is locked or unlocked by a key from either the outside or the inside. This "Intruder" capability ensures that a teacher can secure the classroom from within the room using their standard key.
- Latchbolt Operation: The latchbolt is retracted by the key from either side or by the lever from either side, unless the outside lever is locked.
- Instant Life Safety Egress: Regardless of how the door is locked, the inside lever always allows for constant free egress, ensuring students and staff can exit the room immediately in compliance with all fire and life safety codes.
- Visual Security: Because both cylinders control the same locking mechanism, there is no ambiguity about the lock's status during high-stress situations.
The 8200 Series Advantage: "The Strongest Lock on the Block"
The Sargent 8238 is built on a heavy-duty mortise chassis designed to withstand the most extreme physical abuse.
- Exceptional Cycle Life: UL-verified to exceed 14 million cycles—14 times the requirement for Grade 1 certification—ensuring a lifespan that often outlasts the building itself.
- Vandal-Proof Construction: Features a 12-gauge heavy-duty wrought steel lock case and cold-forged steel hubs. It is built to resist abusive torque and physical impact far beyond industry averages.
- LNL Trim Aesthetic: The L-Lever and LN-Rose provide a clean, contemporary look that is fully ADA compliant, ensuring ease of use for all occupants.
- Precision Engineering: High-carbon steel spring cartridges prevent lever sag, keeping the hardware perfectly horizontal even after decades of high-traffic use.
Key Product Features
- ANSI/BHMA Grade 1: Certified for the highest level of security, performance, and durability.
- Intruder Classroom Function (F32): Double cylinder design allows locking/unlocking of the exterior trim from either side.
- LA Keyway Standard: Comes with a standard Sargent LA Keyway 6-pin brass cylinder, compatible with most existing Sargent master key systems.
- Fire Rated Integrity: UL/cUL Listed for use on 3-hour fire-rated doors, maintaining the integrity of critical fire barriers.
- Auxiliary Deadlatch: Includes a stainless steel, non-handed deadlatch to prevent "shimming" or unauthorized retraction of the latchbolt.
- Field Reversible: The non-handed chassis is easily adapted to any door swing during installation.
Technical Specifications
| Feature | Details |
| Function | 38 Classroom Security / Intruder (ANSI F32) |
| Series | 8200 Heavy-Duty Mortise |
| Lever/Rose | LNL (L-Lever with LN-Rose) |
| Cylinder | Double 6-Pin Brass, LA Keyway |
| Backset | 2-3/4" (Standard for Mortise Locks) |
| Latchbolt | 3/4" Throw Stainless Steel Anti-Friction |
| Door Thickness | 1-3/4" (Standard) |
| Warranty | 10-Year Mechanical Limited Warranty |
Ordering & Installation Information
The Sargent 8238 LNL is designed for high-end facility integration. While the unit is field-reversible, providing the door handing at the time of order ensures it arrives ready for a "plug-and-play" installation. This model is fully compatible with Sargent High-Security Key Systems, including Degree®, Signature, and Keso, as well as Interchangeable Core (IC) options for rapid re-keying.
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Sargent Keyways | LC - Less Cylinder or LA Keyway or 60 - LFIC less Core or 70 - SFIC less Core |
| Brand | Sargent |
| ANSI Mortise Lock Function | F32 - Classroom Security (dbl cyl) |
| Trim Design | LNL |
| Series | Sargent - 8200 Series |
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