Sargent 28-60-11G05 Entry Lever Lock with 3-3/4" Backset and LFIC Core

Sargent 11 Line Series Entry Lever Lock with 3-3/4" Backset and LFIC Core

Professional Grade 1 Mortise Lock Solution

The Sargent 11 Line Series Entry Lever Lock delivers professional-grade security with unique T-Zone construction that exceeds ANSI/BHMA Grade 1 requirements. This lock features a 3-3/4" backset configuration, LFIC Large Format IC core compatibility, and 808 ANSI strike for demanding commercial applications. Independently verified at 7.6 million cycles, this lock is engineered to last the lifetime of your facility with cast and machined stainless steel bearing assembly.

Professional Features & Benefits

• Extended Backset Configuration: 3-3/4" (95mm) backset provides enhanced security positioning for specialized door applications and frame configurations.
• Exceptional Durability Rating: UL verified cycle testing completed at 7.6 million cycles (verification ID: V584148) ensures long-term reliability in high-traffic commercial environments.
• T-Zone Construction: Unique torque-resistant design prevents lock twisting and eliminates through bolts or surface screws for superior structural integrity.
• Universal Key System Integration: Accepts Sargent key systems including Degree and signature, plus SFIC and Schlage and Medeco LFIC for flexible facility management.
• Grade 1 Performance: ANSI/BHMA A156.2 Series 4000 certification with cast and machined stainless steel bearing assembly for commercial-grade operation.
• Modular Field Service: Easy function changes in the field with single lock body serving all functions, reducing inventory requirements and maintenance complexity.
• Standard Door Compatibility: Fits standard 161 door preparation for 1-3/4" to 2" thick doors with non-handed installation flexibility.
• Manufacturer Warranty: 10-year limited warranty provides long-term protection and confidence in commercial applications.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 2"), minimum stile width (4-1/2" with E and L roses), and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for standard 161 door preparation.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent 11 Line Series locks deliver professional-grade reliability with T-Zone construction and cast and machined stainless steel components rated for 7.6 million life cycles. 10-year limited warranty coverage and Grade 1 ANSI/BHMA certification ensure dependable performance. Engineered for demanding commercial applications where long-term durability and flexible key system integration are essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog
• [Catalog] SARGENT 11 Line Bored Lock Catalog
• [Sell Sheet] 11 Line Education Sell Sheet
• [Sell Sheet] 11 Line Healthcare Sell Sheet
• [Installation Guide] 11 Line All Functions Installation Instructions
• [Parts Manual] 11 Line Parts Manual