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The Sargent 28-70-10G54-LB Cylindrical Lever Lock is designed with a Dormitory Function and an SFIC Interchangeable Core, making it ideal for use in institutions. This Grade 1 lock features a 2-3/4" backset, 4-7/8" strike, and an L Rose with a B Lever design.
Impressive strength and durability.
The SARGENT 10 Line cylindrical lock provides all that and more. With the strength to handle whatever you throw at it, the 10 Line offers the flexibility to accommodate storerooms to classrooms to access control applications. Backed by a seven-year warranty, this lock is all things to all doors.
Strength and security.
Heavy-duty design far exceeds industry testing standards. Security features provide additional resistance against vandalism and unauthorized entry.
Accommodates retrofit applications and a variety of door preparations. Easy to connect to other electrified products.
Convenient installation diagrams and pre-assemble components make for quick, easy installation in less than one minute.
Non-handed lever designs provide for efficient warehousing.
- ANSI/BHMA Grade 1 certified for cycle and strength requirements. Exceeds cycle testing standards by nine times with 9.6 million cycles and torque resistance by 1.5 times.
- UL-cUL listed for 3-hour fire doors and windstorm applications
- Freewheeling trim optional
- Available in 21 different functions, including classroom security and electromechanical options for access control applications
- Offered in 12 architectural-grade finishes matching any decor
- Integrates into most existing facility key systems including Sargent security systems (Degree, Signature, KESO, and XC; also accept Schlage® and Medeco LFIC)
- 6 lever designs, 2 rose designs offered
- 7-year warranty
- Applications: Offices, Schools/Universities, Hospitals, Manufacturing facilities
|For Doors||1-3/4" (44mm) thick door adjusts to 2" (51mm) standard
1-3/8" (35mm) thick door, 1- Option for Adapter plates
|Backsets||2-3/4" (70mm) backset w/ 1-1/8" front (standard)
2-3/8" (60mm) backset w/ 1" wide front (specify 20-)
3-3/4" (95mm) backset w/ 1-1/8" front (specify 23-)
5" (127mm) backset w/ 1-1/8" Front (specify 25-)
|Cylindrical Housing||Steel, zinc dichromate finish|
|Front||Wrought brass, bronze, and stainless steel
2-1/4" (57mm) x 1-1/8" (29mm) Fixed Bevel
2-1/4" (57mm) x 1" (25mm) (included with 20-)
|Strike||Wrought brass, bronze, and stainless steel
800 curved lip strike — standard
808 curved lip ANSI strike (28- option)
Wrought box strike available (WBS- option)
|Hand||All 10 Line Locks are non-handed except for the G & Y Levers|
|Roses||Heavy wrought brass and bronze|
|Latch||Stainless steel 1/2" (13mm) throw
Brass 3/4" (19mm) throw for pairs of doors (41- option)
|Cylinder||Brass, 6 pins, LA keyway standard|
|Keys||Two, nickel silver|
|Master keying||Can be master keyed or grandmaster keyed Construction key systems available|
|Finishes||03, 04, 09, 10, 10B, 10BE, 10BL, 14, 15, 20D, 26, 26D, BSP, WSP|
|Door Prep||ANSI/BHMA A156.115|
|Minimum Stile||4-1/2" (114mm)|
|ANSI/BHMA||Certified ANSI A156.2 Series 4000 – Grade 1|
|UL||UL listed to the U.S.A. and Canadian safety standards
Listed for 3-hour doors (double doors require 41- option)
|Positive Pressure||Meets ANSI/UL 10C, Positive Pressure Fire Test of Door Assemblies|
|ADA||All levers conform to ADA requirements for barrier-free accessibility|
|California Code||Levers (L, J & P) conform to California Administrative Code Title 19 and 24|
|Hurricane Code||All individual components of a total door opening are required to comply with each code. Refer to the SARGENT Website (www.sargentlock.com) for specific code compliance listings for both the lock hardware and other door components.|
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