Corbin Russwin ML2057 NSN Storeroom or Closet Mortise Lock, NS Lever

Corbin Russwin ML2057-NSN Mortise Storeroom Lock

Storeroom or Closet - ANSI F07

Latchbolt by grip inside or by key outside. Outside grip always rigid. Auxiliary latch deadlocks latchbolt. Inside grip always free.

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.

Model: Corbin Russwin ML2057NSN, ML2057NSN612, ML2057NSN626

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

• N - Newport Lever