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Sargent 28-65G37 KL Classroom Function Cylindrical Lockset
Function Information:
Grade 2 Cylindrical Lockset | High-Security Lead-Lined/Hurricane Rated
The Sargent 28-65G37 is a heavy-duty, Grade 2 cylindrical lockset specifically engineered for school environments, municipal buildings, and facilities requiring a "Classroom" security function. The 28- prefix indicates that this lock is equipped with a specialized reinforced chassis, often specified for high-performance openings or areas with strict fire and safety requirements.
The Classroom Function (37) is a critical security feature: the outside lever is locked or unlocked by a key, while the inside lever always remains free for immediate egress. This ensures that a teacher or administrator can quickly secure the room from the outside, while students can always exit safely without a key in the event of an emergency.
Key Features
- Classroom Security (37): Outside lever is locked and unlocked by the key only. The inside lever is always unlocked for fire safety and easy exit.
- Enhanced "28-" Construction: Part of Sargent’s high-specification line, designed for superior durability and often utilized in specialized architectural applications.
- Hurricane Rated Strength: Certified to comply with Florida Building Code requirements (FL# 2998) and TAS standards, ensuring the lock stays secure even under extreme pressure.
- Non-Handed Versatility: The KL (L-Design) lever is field-reversible, allowing it to fit both left and right-hand door swings seamlessly.
- Stable Thru-Bolt Mounting: Features heavy-duty thru-bolt installation that prevents the lock from rotating or sagging, even under the constant use found in school corridors.
- Total Code Compliance: Fully ADA compliant and UL-cUL Fire-Rated for up to 3 hours, meeting all Life Safety and NFPA 80 standards.
Technical Specifications
| Feature | Specification |
| Grade | ANSI/BHMA A156.2, Series 4000, Grade 2 |
| Function | 37 (Classroom) |
| Cylinder | Conventional 6-Pin (KL/L-Design) |
| Backset | 2-3/4" Standard (2-3/8" Available) |
| Door Thickness | Fits 1-3/4" Standard |
| Strike | ANSI Curved Lip Strike |
| Certifications | ASTM E330, TAS 201/202/203, NFPA 80 |
| Warranty | 1-Year Limited Warranty |
Ideal Applications
The Sargent 28-65G37 is the industry standard for K-12 classrooms, university lecture halls, and government offices. It provides administrators with the control needed to secure a facility during a lockdown while ensuring that no occupant is ever accidentally locked inside.
| 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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