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Sargent 28-10XG05 LL Office Entrance Function Cylindrical Lockset (Thumb Turn)
Function Information:
The Sargent 28-10XG05 LL is a premier Grade 1 Cylindrical Lock engineered to provide versatile security for professional environments. As a flagship model in the Sargent 10X Line, this lockset is designed for high-traffic "Office or Entrance" applications (F109 function). It features an innovative push/turn button on the interior lever, allowing users to toggle between a locked and unlocked exterior handle. Built to withstand extreme physical abuse, the 10X line exceeds ANSI/BHMA standards by up to 20 times, ensuring your facility remains secure for decades.
Versatile "Office or Entrance" Functionality
The 10XG05 offers the flexibility needed for modern workplaces. When the interior button is pushed, the outside lever is locked until released by a key from the outside or by turning the inside lever. If the button is turned, the outside lever remains locked even after egress, requiring a manual release. This deadlocking latch design ensures that the door cannot be "shimmied" open, while the freewheeling lever option protects the internal chassis from vandals attempting to force the handle.
Engineered for Extreme Durability
The Sargent 10XG05 is built to survive the toughest conditions. It has been tested to 20 million cycles, far surpassing the requirements for ANSI/BHMA A156.2 Grade 1 certification. With the ability to withstand 3,100 in-lb of abusive torque and 1,600 lbs of offset pull, this lockset is nearly impenetrable to standard vandalism. Its independent return springs ensure the LL lever stays horizontal without sagging, maintaining the architectural integrity of your building.
Key Product Features
- Office/Entrance Function: Field-flexible locking via an interior push/turn button for controlled access.
- Vandal Resistant Design: Available with freewheeling levers to prevent damage from excessive force.
- Unrivaled Cycle Life: UL-verified to exceed 20 million cycles—the highest in the industry.
- High-Security Latching: Includes a stainless steel deadlocking latch with a 1/2" throw.
- ADA & Life Safety Compliant: Meets ADA accessibility requirements and is UL/cUL Listed for 3-hour fire doors.
- Windstorm Certified: Rated for use in severe weather regions, including Florida Building Code requirements.
Technical Specifications
| Feature | Details |
| Function | 05 Office/Entrance (F109) |
| Lever Design | LL - ADA Compliant |
| Backset | 2-3/4" Standard (2-3/8", 3-3/4", and 5" available) |
| Strike | 808 Curved Lip ANSI 4-7/8" (Standard) |
| Door Thickness | 1-3/4" to 2" (Adjustable chassis) |
| Cylinder | 6-pin Brass, LA Keyway (Standard) |
| Warranty | Ten-Year Limited Warranty |
Ideal Applications
- Commercial Offices: Perfect for individual offices requiring privacy and key-controlled entry.
- Government Buildings: Durable enough for high-use public entrance points.
- Healthcare & Education: Provides reliable security for classrooms and consultation rooms.
- Industrial Facilities: Designed to withstand the vibration and abuse of manufacturing environments.
Ordering & Installation Information
The 28-10XG05 is non-handed, meaning it can be installed on both left and right-hand doors without modification. For doors thicker than 2", please specify the 31- Option. To ensure maximum longevity in electrified openings, we recommend using this lockset in conjunction with high-quality McKinney hinges.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Freewheeling Option | Regular Lever or FW Prefix - Freewheeling Locked Lever |
| Sargent Cylinder Options | KD - LA Kwy Keyed Different or SC - Schlage C Kwy 0 Bitted or 60 prefix - Sargent LFIC Prep Less Core or 70 prefix - Best/Falcon SFIC Prep Less Core or LC - Less Sgt Cylinder |
| Brand | Sargent |
| ANSI Cyl Lock Function | F81 - Office Entrance |
| Trim Design | LL |
| Series | Sargent - 10X Line |
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