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Sargent 28-7G05 LL Office Function, Cylindrical Lockset
Function Information:
The Sargent 28-7G05 LL is a professional-grade Grade 2 Cylindrical Office Lock engineered to provide versatile security for commercial offices, government buildings, and medical facilities. As a premier offering in the Sargent 7-Line Series, this lockset is designed for doors where keyed entry and flexible locking modes are required. The 28-prefix ensures the inclusion of an industry-standard 4-7/8" ASA Strike, while the LL design features a sleek, linear lever made of solid one-piece cast construction for a precise, high-quality feel.
Institutional Strength and Rapid Installation
The Sargent 7-Line is built to outperform standard Grade 2 hardware, offering facility managers a "heavy-duty" performance in a versatile, standard-duty footprint.
- Exceeds Industry Standards: This lockset significantly exceeds ANSI/BHMA A156.2 Grade 2 cycle requirements, ensuring years of maintenance-free operation in high-traffic environments.
- One-Minute Installation: Specifically engineered for efficiency, the 7G05 installs in one minute or less, drastically reducing labor time for large-scale facility upgrades.
- Structural Integrity: Internal through-bolts provide maximum strength and stability without requiring additional door preparation, fitting standard modified 161 door preps.
- Solid Cast Construction: The levers are solid, one-piece castings, providing a substantial feel and superior resistance to wear compared to hollow or stamped alternatives.
Office & Entrance Function (ANSI F109)
The 05 Office Function provides two distinct locking modes, making it one of the most popular configurations for commercial suites and administrative offices.
- Push-Button Locking: Pressing the button on the interior lever locks the exterior lever. The lock is released by turning the inside lever or using a key from the outside.
- Turn-Button Security: Rotating the interior button keeps the exterior lever locked even when the door is closed or the interior lever is turned. This "fixed" locking state is ideal for maintaining security during off-hours.
- Deadlocking Latchbolt: Features a 1/2" throw stainless steel latch with a deadlocking auxiliary bolt to prevent "shimming" or unauthorized manipulation.
- ADA Compliant LL Lever: The linear LL lever design is ergonomically shaped for ease of use, meeting all Americans with Disabilities Act standards for operation without tight grasping or twisting.
Technical Specifications
| Feature | Details |
| Series | Sargent 7-Line (Cylindrical) |
| Function | 05 Office / Entrance (ANSI F109 / F81) |
| Certification | Exceeds ANSI/BHMA A156.2 Grade 2 |
| Lever Style | LL Design (Solid Cast Linear Lever) |
| Strike Plate | 4-7/8" ASA Strike (28-prefix / Only) |
| Backset | 2-3/4" (Standard Commercial) |
| Cylinder/Keyway | 6-Pin Brass, Sargent LA Keyway (Standard) |
| Installation | One-Minute Install; Through-bolted stability |
| Handing | Non-Handed (Universal Field Reversible) |
| Warranty | 5-Year Limited Warranty |
Why Choose the Sargent 28-7G05 LL?
For contractors and facility managers, the Sargent 28-7G05 LL represents a high-value security investment. It provides the architectural continuity of a professional linear lever with the mechanical strength required for 24/7 public use. By choosing the 7-Line, you gain a lockset compatible with high-security key systems like Degree®, Signature, and XC, ensuring your facility remains protected against modern security threats.
Ideal Applications:
- Professional Office Suites: Flexible locking modes for executive and administrative doors.
- Medical Facilities: Durable, solid levers with a precision feel for exam and consultation rooms.
- Government Buildings: Grade 2 performance that meets strict public building fire and safety codes.
- Commercial Retail Offices: A fire-rated, keyed solution for back-office and inventory security.
| 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 |
| 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 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 - 7 Line |
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