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Corbin Russwin ML2053-HSS-630C Anti-Harm (Anti-Ligature) Mortise Knob Lockset - Entrance Function, Satin Stainless Steel with Microshield

  • SKU: ML2053HSS630C

Corbin Russwin ML2053-HSS-630C Anti-Harm (Anti-Ligature) Mortise Knob Lockset - Entrance Function, Satin Stainless Steel with Microshield

  • SKU: ML2053HSS630C
Sale price$1,581.20/ea
Available (2‑3 Weeks)
2-3 Weeks Lead Time
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Corbin Russwin Anti Ligature, ML2053HSS series is a Grade 1 mortise lock designed to meet the rigors of high-traffic commercial, institutional, industrial, and government applications. Constructed of heavy-gauge steel, the lockbody features our patented Quick Reversible latchbolt, and a 1" stainless steel deadbolt. A wide variety of trim designs and functions and a 10-year warranty lend to the ML2000's versatility and reliability. This lock features vandal-resistant stainless steel escutcheons with tapered edges and Torx ® pin tamper-resistant screws. When matched with Corbin Russwin patented high-security Pyramid cylinders, any door can become a formidable barrier to intruders


  • Entrance or Office function: Patented Quick Reversible feature enables reversal of hands without disassembling the lock case (Patent #6,349,982)
  • Latchbolt by grip either side, unless the outside grip is locked or unlocked by key or thumbturn
  • 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 is always free
  • Security trims provide a vandal-resistant barrier
  • It can be used with new or existing Corbin Russwin key systems, including patented high-security Pyramid cylinders. (Patent #6,125,674). It also accepts cylinders from most other manufacturers
  • Provides life safety and security in a single-door prep, saving the additional cost of a deadlock
  • Through-bolted trim designs for proper alignment and increased security


Handed; quick reversible. The lockset can be re-handed without disassembling the lockcase

Door Thickness:

1-3/4" (44mm) standard
Optional door thicknesses are available


2-3/4" (70mm)


Heavy-gauge chrome plated steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
Optional: non-ferrous lockcase for corrosion resistance


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 lockcase front


2-piece mechanical anti-friction insert, 5/8" (16mm) x l" (25mm) x 3/4" (19mm) throw

Auxiliary Latchbolt:

9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking


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

Occupancy Indicator:

Occupancy indicators for use with ML2000 x sectional trim. Design features option for dual indicators on double cylinder functions, confirming door is secured from either side. Emergency override standard for all non-keyed functions


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


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


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


Brass, fixed 6-pin conventional fixed core cylinder, L4 keyway (Standard)


Two nickel silver standard

Keying features available:

Master keying | Construction master keying | Visual key control | Concealed key control | Plug only to show (concealed shell) | 7-pin cylinder | Security | Security (IC) | Pyramidâ„¢ (FC) | Pyramidâ„¢ (IC) | Interchangeable core (IC) | Master ring cylinder | Blockout cylinder | Flex head cylinder


One-year limited warranty


Meets A156.13 Series 1000, Operational and Security Grade 1
Meets A117.1 Accessibility Code


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. Letters F and UL symbol on the armored front indicate listing

California State Reference Code:

All levers with returns, return to within l/2" of the door face


Certified (refer to local codes)


Cylinder Mortise Handing Chart

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