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Sargent 28-65G37 KL Classroom Function Cylindrical Lockset
Function Information:
The Sargent 28-65G37 KL is a professional-grade Grade 2 Cylindrical Classroom Lock engineered for reliability in medium-traffic educational and commercial environments. As a staple of the Sargent 6500 Series, this lockset is designed for doors that require keyed control to prevent unauthorized entry while ensuring the safety of occupants inside. The 28-prefix denotes the inclusion of a #808 ANSI Curved Lip Strike, a standard for commercial hollow metal frames, while the KL design combines the ergonomic L-Lever with the decorative K-Rose for a clean, architectural finish.
Classroom Security & Life Safety (ANSI F84)
The 37 Classroom Function is specifically designed to provide administrators with total control over corridor access without ever compromising emergency egress protocols.
- Keyed Exterior Control: The outside lever is locked or unlocked exclusively by a physical key. This allows teachers to secure the classroom from the hall, preventing the exterior lever from retracting the latch.
- Fail-Safe Interior Egress: The inside lever is always free for immediate exit. Students and staff can never be locked inside the room, ensuring 100% compliance with NFPA 101 Life Safety and ADA accessibility codes.
- Deadlocking Protection: Features a deadlocking latchbolt that prevents "shimming" or unauthorized manipulation with credit cards or tools when the door is closed.
- ADA Compliant KL Lever: The linear L-lever design provides an ergonomic grip that meets all Americans with Disabilities Act requirements, allowing for operation without tight grasping or twisting.
Built for Durability and Performance
The Sargent 6500 Series is more than just a standard lock; it is built to outperform the baseline for Grade 2 hardware, offering peace of mind for facility managers.
- Exceeds Grade 2 Standards: While certified to ANSI/BHMA A156.2 Series 4000 Grade 2, the 6500 line is tested to higher cycles to ensure a longer service life in schools and offices.
- High-Strength Chassis: Constructed with a cold-rolled steel housing and zinc dichromate plating to resist internal corrosion and mechanical wear.
- Hurricane & Windstorm Rated: Certified to comply with strict Florida Building Codes (FL# 2998) and TAS standards, proving its structural integrity under extreme pressure.
- Non-Handed Versatility: The lock is completely field-reversible, allowing it to fit both left-hand and right-hand door swings without complex adjustments.
Technical Specifications
| Feature | Details |
| Series | Sargent 6500 Series |
| Function | 37 Classroom (ANSI F84) |
| Certification | ANSI/BHMA A156.2 Series 4000 - Grade 2 |
| Lever / Rose Style | KL Design (L-Lever / K-Rose) |
| Cylinder / Keyway | 6-Pin Brass, Sargent LA Keyway (Standard) |
| Standard Strike | #808 ANSI Curved Lip Strike (4-7/8" x 1-1/4") |
| Backset | 2-3/4" (Standard commercial backset) |
| Door Thickness | Adjustable for 1-3/8" to 1-1/4" thick doors |
| Latchbolt | 1/2" Throw Stainless Steel, Deadlocking |
| Fire Rating | UL/cUL Listed for up to 3-Hour Fire Doors |
Why Choose the Sargent 28-65G37 KL?
In the demanding environment of K-12 schools and municipal offices, hardware must be intuitive and indestructible. The Sargent 28-65G37 KL offers the perfect middle ground between standard residential hardware and expensive "Extra Heavy Duty" industrial lines. By utilizing the 6500 Series, facility managers can maintain a high level of security and aesthetic continuity at a significantly lower total cost of ownership.
Ideal Applications:
- K-12 Classrooms: Reliable security that gives teachers control over corridor access.
- Municipal Offices: Professional aesthetics with Grade 2 durability for public buildings.
- Utility & Training Rooms: Ensuring sensitive areas are keyed but always safe for exit.
- Retail Back Offices: Managing employee access with a fire-rated, code-compliant solution.
| Finish with BHMA code | 626 - US26D Satin Chrome or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 640 - US10B Oil Rubbed Bronze |
| Backset | 2-3/4" Backset or 2-3/8" Backset |
| Sargent Cylinder Options | KD - LA Kwy Keyed Different or SC - Schlage C Kwy 0 Bitted or LC - Less Sgt Cylinder |
| Brand | Sargent |
| ANSI Cyl Lock Function | F84 - Classroom |
| Trim Design | KL |
| Series | Sargent - 6500 Series |
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