Corbin Russwin ML2053 Mortise Entrance or Office Lock

Corbin Russwin ML2052 Mortise*Entrance or Office*Lock

ML2053 - Entrance or Office    - Latchbolt by grip either side, unless outside grip is locked or unlocked by key or thumbturn.

• Outside grip locked or unlocked by key or thumbturn.

• Latchbolt by key when outside grip locked.

• Auxiliary latch deadlocks latchbolt.

• Inside grip always free.

Levers

Lustra-Complies with codes requiring lever to return to within 1/2" (13mm) of door face. Brass, bronze or stainless steel. Regis-Brass, bronze or stainless steel. Citation- Brass, bronze or stainless steel - Laser engraving option. Newport -Complies with codes requiring lever to return to within 1/2" (13mm) of door face. - Brass, bronze or stainless steel - Laser engraving option. Armstrong -Brass, bronze or stainless steel - Laser engraving option. Dirke- Brass, bronze or stainless steel -Not reversible  -Handed levers. Essex-Complies with codes requiring lever to return to within 1/2" (13mm) of door face. Brass, bronze or stainless steel. Princeton -Complies with codes requiring lever to return to within 1/2" (13mm) of door face - Brass, bronze or stainless steelL - Laser engraving option. ** Specification

Handing:**Quick reversible. The lockset can be re-handed without disassembling the lock case

*Door Thickness:*1-3/4" (44mm) standard.

*Backset:*2-3/4" (70mm).

*Lockcase:*Heavy-gauge chrome plated steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm).

Front: Heavy-gauge steel, 8" (203mm) x 1-1/4" (32mm) x -3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm). Furnished 1-1/16" (27mm), optional D138, wide for 1-3/8" (35mm) doors.

*Armored Front:*Wrought brass, bronze or stainless steel attached by machine screws to lockcasem front.

Latchbolt:2-piece mechanical with anti-friction insert, 5/8" (16mm) x 1" (25mm) x 3/4"(19mm) throw.

*Auxiliary Latchbolt:*9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking.

*Deadbolt:*One-piece stainless steel, 19/32" (15mm) x 1-1/4" (32mm) x 1" (25mm) throw.

Hub*Knob:*stainless steel, 9/32" (7mm) x 9/32" (7mm). Lever: steel, 5/16" (8mm). (Including ) 3/8" (10mm) stainless steel.

*Spacing*C. to c. knob/lever to cylinder: 3-5/8" (92mm). C. to c. knob/lever to thumbturn: 2-7/16" (62mm).

*Strike:*Wrought brass, bronze or stainless steel, ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. Optional strikes, lip lengths and ANSI wrought strike box available

Cylinder:Brass, 6-pin, L4 keyway standard. Optional cylinders available, 7-pin cylinder, Interchangeable core (IC)

Keys:Two nickel silver standard.

*Keying Features Available:*Master keying, Construction master keying

Warranty:Ten-year limited.

Certification/Compliance*ANSI:*Meets A156.13 Series 1000, Operational and Security Grade 1. Meets A117.1 Accessibility Code.

*Federal:*Meets FF-H-106C.

*UL /ULC-UL10C Positive Pressure:*All locks listed for A label and lesser class doors, 4' (122cm) x 10' (305cm) single or 8' (244cm) x 10' (305cm) pair. Letter F and UL symbol on armored front indicate listing.

*California State Reference Code:*(Formerly Title 19, California State Fire Marshal Standard)All levers with returns, return to within 1/2" (13mm) of door face.

Related Categories

• Corbin Russwin ML2000 Series