L9082LB Mortise Institution Lock - Case Only





10-072 Strike


2-3/4″ Backset



Institution – Latchbolt Retracted by Key From Either Side, Knob/Lever on Both Sides Always Inoperative, Auxiliary Latch Deadlocks Latchbolt When Door is Locked,

ANSI/BHMI Certified A156.13-2012

Commercial Grade 1

Lock Body Mortises Inside the Edge of the Door

UL Listed for 3 Hour Fide Door

Institution Mortise Lock


L SeriesMortise Lock

The Schlage L Series has long been the benchmark for mortise locks. The L Series is more than strength and security – it offers tremendous flexibility to allow it to meet the needs of most every application. Over 55 functions, 35 lever and knob designs, eight different roses and escutcheons, and a multitude of prep options are just the beginning.

180 degree visibility indicators, advanced motor-driven electrified functions, a universal lock case that supports 10 different functions, and the ability to suite across tubular, exit device, and multipoint locks allow the Schlage L Series to integrate seamlessly into any environment.

Key features:

Exceeds ANSI/BHMA Gradel operational and security standards

Expansive list of configurations and options, including retrofit indicators

50 standard mechanical functions, custom functions also offered

“The Original” universal lock case allows creation of 10 functions from a single lock body

14 finishes and 33 levers, two knobs, five roses and three escutcheon designs

Supports standard, SFIC and FSIC cylinder formats

Multiple key systems available – open, patented, restricted, geographic exclusive, UL 437

Specifications: Case material:

CRS with zinc dichromate plating

Case size:

4 7/16″ x 3 5/8″ x 1″ (113 mm x 92 mm x 25 mm)


Knob or lever to cylinder: 3 7/8″ (98 mm); knob or lever to thumbturn hub: 2 11/16″ (68 mm)

Door thickness:

Standard: 1 3/4″ (44 mm)



33 lever designs:

Forged brass or bronze and cast stainless steel

Two knob designs:

Heavy-duty wrought brass, bronze or stainless steel

Ligature resistant:

lever (SL1) and knob (SK1)

Tactile warning applied to outside lever:

Available on 01, 02, 03, 05, 06, 07, 12, 17, 18, M51, M52, M81, ME1, ME2, ME3 lever designs

L escutcheons:

7 15/16″ x 1 3/4″ x 7/16″ (202 mm x 44 mm x 11 mm);
cold-forged brass or bronze and stainless steel

N escutcheons:

7 7/8″ x 2 1/2″ x 7/16″ (200 mm x 64 mm x 11 mm);
heavy wrought reinforced brass, bronze and stainless steel


A ,B ,C: wrought brass or bronze and stainless steel;
AVA and MER: forged brass


14 available: 605, 606, 609, 612, 613, 619, 622, 625, 626, 626AM, 629, 630, 630AM, 643e


Available with knob both sides, lever both sides, or knob/lever combinations. Roses cannot be combined with escutcheons.


2 3/4″ (70 mm) only


1 1/4″ x 5 9/16″ x 7/32″ (32 mm x 141 mm x 6 mm)


1″ (25 mm) throw stainless steel deadbolt

3/4″ (19 mm) throw stainless steel latch with anti-friction tongue


1 1/8″ x 3 1/2″ (29 mm x 89 mm) with dust box


Standard: Pin and tumbler mechanism in the Patented Schlage Everest 29 S123 keyway (6-pin); two nickel silver cut keys per lock

Certifications: ANSI/BHMA:


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