Sargent 28-65G05 KL Office Entrance Function Cylindrical Lockset
Function Information:


Grade 2 Cylindrical Lockset | High-Performance Office Function
The Sargent 28-65G05 (KL) is a professional-grade cylindrical lockset designed specifically for office suites, faculty rooms, and commercial entrances.1 The 28- prefix signifies a high-specification build, ensuring this lock meets advanced architectural requirements for durability and fire safety.
The Office Function (05) is engineered for versatility: the outside lever can be locked or unlocked by a key from the exterior or by a push-button on the interior thumbturn.2 A unique "locking" feature ensures that if the push-button is depressed, the outside lever remains locked until it is released by a key or the inside lever is turned. This provides a "fail-safe" for privacy and security while ensuring the inside lever always allows for immediate, single-motion egress.
Key Features
- Office/Entrance Function (05): Toggle between locked and unlocked states using the interior push-button or the exterior key.3 Perfect for doors that need to stay open during business hours and remain secure at night.
- Reinforced "28-" Series Construction: Features a robust chassis designed for high-frequency use, meeting the demanding standards of modern commercial facilities.
- Hurricane Rated & Impact Certified: Certified to comply with Florida Building Code (FL# 2998) and TAS standards, providing superior resistance against forced entry and extreme weather.
- KL (L-Design) Lever: The sleek, non-handed L-design lever provides a modern architectural look and is field-reversible for any door swing.4
- Rock-Solid Installation: Utilizes thru-bolt mounting to anchor the lockbody through the door, preventing the lever from sagging or the chassis from rotating over time.
- Life Safety Compliant: Fully ADA compliant and UL-cUL Fire-Rated for up to 3 hours, satisfying all major building and fire codes.5
Technical Specifications
| Feature | Specification |
| Grade | ANSI/BHMA A156.2, Series 4000, Grade 2 |
| Function | 05 (Office / Entrance) |
| Cylinder | Conventional 6-Pin (KL Trim) |
| Backset | 2-3/4" Standard |
| Door Thickness | Fits 1-3/4" Standard |
| Certifications | NFPA 80, ASTM E330, TAS 201/202/203 |
| Warranty | 1-Year Limited Warranty |
Ideal Applications
The Sargent 28-65G05 is the "go-to" choice for executive offices, staff breakrooms, and municipal building entrances. It offers the heavy-duty feel of a premium lock with the intuitive functionality required for everyday office use.
| 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 | F81 - Office Entrance |
| Trim Design | KL |
| Series | Sargent - 6500 Series |
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