Corbin Russwin ML2054 Grade 1 ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,590.52
$915.00
Corbin Russwin Corbin Russwin ML2054 Mortise Entrance Lever Lockset COR-ML2054-KEYED

Corbin Russwin ML2054 Grade 1 Mortise Entrance Lever Lockset

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Model: COR-ML2054-NSA-626
From the ML2000_Series Collection
$1,590.52
$915.00
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  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different
  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,590.52
$915.00
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Corbin Russwin ML2054-KEYED ML2000 Series Grade 1 Mortise Entrance Lever Lockset, Field Reversible, 1-3/4" Door Thickness

Commercial-Grade Mortise Entrance Lock with Thumbturn Control and Auxiliary Deadlocking Latch

The Corbin Russwin ML2054-KEYED is a Grade 1 mortise entrance lever lockset from the ML2000 Series, engineered for demanding commercial, institutional, industrial, and government applications. Operating under ANSI function F04, this lock allows latchbolt retraction by grip from either side unless the outside grip is locked, with outside grip control managed by thumbturn and latchbolt operation by key when the outside grip is locked. Constructed of heavy-gauge steel with a 1" stainless steel deadbolt and a patented Quick Reversible latchbolt, the ML2054-KEYED is designed for 1-3/4" (44mm) door thickness and is field reversible for flexible installation. The ML2000 Series has achieved UL Cycle testing above and beyond requirements, completing 14.5 Million Cycles (Verification ID: V875753), and is backed by a 10-year limited warranty.

Professional Features & Benefits

  • ANSI/BHMA Grade 1 mortise lock per A156.13 Series 1000, Operational and Security Grade 1
  • UL Cycle above and beyond: 14.5 Million Cycles (Verification ID: V875753)
  • Patented Quick Reversible latchbolt — reverse handing without disassembling the lock case
  • Multi-function capability: 12 functions configurable from one ML2054 lockbody
  • Heavy-gauge steel lockcase 5-7/8" x 4" x 15/16"; 1" stainless steel deadbolt, 1" throw
  • 3/4" (19mm) throw anti-friction two-piece latchbolt requires less force to close
  • Wide variety of trim designs including Muséo®, Vineyard™, Behavioral Health (BHSS/BLSS)
  • Status indicator options for locked/unlocked visibility (sectional and escutcheon trim)
  • Motorized Electric Latch Retraction (MELR) available for ML20900 series
  • Thru-bolted trim designs for proper alignment and increased security
  • Can be used with new or existing Corbin Russwin key systems; accepts most other manufacturers' cylinders
  • UL/cUL listed, UL10C positive pressure; 3-hour fire door up to 4' x 10' single or 8' x 10' pair
  • Ten-year mechanical warranty; five-year MELR; two-year electrical

Technical Specifications

  • Grade: ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1
  • Handing: Handed; quick reversible — re-handed without disassembling the lock case
  • Door Thickness: 1-3/4" (44mm) standard; optional thicknesses available
  • Backset: 2-3/4" (70mm)
  • Lockcase: Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
  • Armored Front: Wrought brass, bronze, or stainless steel, 8" x 1-1/4"
  • Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" (19mm) throw
  • Auxiliary Latchbolt: 9/16" (14mm) effective throw; deadlocking
  • Deadbolt: One-piece stainless steel, 19/32" x 1-1/4" x 1" (25mm) throw
  • Strike: Wrought brass, bronze, or stainless steel, ANSI straight lip, 4-7/8" x 1-1/4" x 1-1/8" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm); knob/lever to thumbturn: 2-7/16" (62mm)
  • Certifications: ANSI/BHMA A156.13 Grade 1; UL/cUL UL10C 3-hour positive pressure; ADA A117.1; California State Fire Marshal; Windstorm/Hurricane certified
  • Warranty: Ten-year mechanical; five-year MELR; two-year electrical

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities and Schools
  • Healthcare Institutions and Hospitals
  • Hotels and Hospitality Properties
  • Industrial and Government Facilities
  • Multi-Tenant Residential Properties
  • Institutional and High-Traffic Public Buildings

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series variant features vandal-resistant stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a formidable barrier against abuse and unauthorized access attempts. When paired with Corbin Russwin patented high-security Pyramid or Access 3® cylinders, the ML2054 delivers an elevated level of intrusion resistance for high-risk environments.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise locks deliver professional-grade reliability with heavy-gauge steel construction and a one-piece stainless steel deadbolt, validated by UL Cycle testing completed at an exceptional 14.5 Million Cycles (Verification ID: V875753). Backed by a 10-year limited warranty and BHMA Grade 1 certification, the ML2054-KEYED is engineered for the most demanding commercial applications where dependable performance, security, and longevity are essential.

Product Specs

Subcategory:
Mortise Locks
Product Group:
Mechanical Locks
Series:
ML2000 Series
Grade:
Grade 1
Keyed Function:
Single Cylinder
Standard Cylinder:
Conventional 6-pin, L4 Keyway, 0 Bitted Keying
Standard Latch:
3/4" Latchbolt
Standard Strike:
ANSI straight lip standard, 4-7/8" x 1-1/4" x 1-1/8"
Warranty:
10 Year Limited
ANSI/BHMA:
F04
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Keyed:
Yes
Commercial/Residential:
Commercial
Function Description:
Latchbolt by grip either side, unless outside grip is locked. Outside grip locked or unlocked by thumbturn. Latchbolt by key when outside grip locked. Auxiliary latch deadlocks latchbolt.
Lock Type:
Mortise
Handle Type:
Lever
Lock Function:
Entrance/Office
Product Attribute:
Mortise Locks
Electronic:
No
Product Model:
ML2054
Collection:
ML2000_Series
Product Function:
Entrance/Office
Door Hand Direction:
Field Reversible
Door Thickness Range:
1-3/4"
Product Category:
Mechanical Locks
Product Substrate:
Brass or Bronze
Department:
Door Hardware

Corbin Russwin COR-ML2054-NSA-626 – Frequently Asked Questions

1) What does the Corbin Russwin ML2054 mortise lock actually do when someone turns the thumbturn?
The ML2054 is ANSI F04 entrance/office function. The latchbolt retracts by grip from either side unless the outside lever is locked. The thumbturn on the inside is what locks and unlocks that outside lever, and when it's locked the key retracts the latchbolt from outside. An auxiliary latch deadlocks the latchbolt against carding. That makes it the right pick for an office or tenant suite where staff want to lock up from inside without a key.
2) Do I have to order the ML2054 handed, or can I flip it in the field?
Order it either way, it's field reversible. The patented Quick Reversible latchbolt re-hands without opening the lock case, so one lock covers left and right hand openings. Worth knowing for a property manager stocking spares: a single lock body on the shelf works for any door in the building. Note that one trim choice is handed, the DS Dirke lever is ordered left hand or right hand.
3) Will the ML2054 latch into the strike that's already in my frame?
The latchbolt is a two-piece anti-friction design with a 3/4 inch (19mm) throw, and the auxiliary latchbolt has a 9/16 inch effective throw. The deadbolt is one-piece stainless with a 1 inch throw. Supplied strike is the ANSI straight lip, 4-7/8 x 1-1/4 inches with 1-1/8 inch lip to center. If your frame already has an ANSI 4-7/8 inch strike prep with matching lip projection, the existing strike will take this latch.
4) Can I key the ML2054 into my existing master key system?
Yes. The standard cylinder is a conventional 6-pin brass cylinder in the L4 keyway, shipped 0-bitted. It works with new or existing Corbin Russwin key systems and accepts most other manufacturers' cylinders, so it can be brought into a system you already run. If you have your own cylinders or cores, order LC (less cylinder), or CL6 / CL7 for large format interchangeable core less core in 6-pin or 7-pin.
5) What do I have to specify when ordering an ML2054 lockset?
Four decisions. Cylinder: standard conventional 6-pin L4, LC less cylinder, CL6 LFIC 6-pin less core, or CL7 LFIC 7-pin less core. Keying: keyed different (standard) or keyed alike if several locks share a key. Lever design: Armstrong, Citation, Dirke (handed), Essex, Lustra cast or wrought, Newport, Princeton, or Regis. And trim: A rose at 2-1/4 inch diameter, F rose at 2-7/8 inch, or M or N escutcheon. Finish runs from 605 bright brass through 626 satin chrome, 630 satin stainless, 722 oil-rubbed black bronze and BSP black suede powder coat.
6) Is the ML2054 approved for a fire rated door opening?
It is UL and cUL listed and tested to UL10C positive pressure, rated for 3-hour fire doors up to 4 ft x 10 ft single or 8 ft x 10 ft pair. It also carries ANSI/BHMA A156.13 Series 1000 Grade 1 for both operational and security, ADA A117.1, California State Fire Marshal listing, and windstorm/hurricane certification. For a spec writer, that covers most institutional corridor and stair openings.
7) What is the closest cross-brand equivalent to the Corbin Russwin ML2054 entrance/office mortise lockset?
The Cal-Royal NM8050 is the nearest match: it is a heavy duty Grade 1 office/entrance mortise lockset with an auxiliary deadlatch, rated for 1-3/4 inch doors. The ML2054 is also Grade 1 with entrance/office function and a 1-3/4 inch door thickness, with the latchbolt deadlocked by an auxiliary latch. Both cover the same opening: a tenant or office door where the outside lever can be left locked or unlocked and the key retracts the latch when locked.
8) I need a mortise lock where the outside lever stays locked at all times and only the key retracts it - is the ML2054 the right function?
No. The ML2054 is an entrance/office function: the outside grip is locked or unlocked by thumbturn, so a user can leave it unlocked. For an always-locked outside lever, look at a storeroom function such as the Accentra 8805FL Grade 1 storeroom mortise lock with Arcadia lever, or the Cal-Royal NM8080 Grade 1 storeroom mortise lockset, which also offers an interchangeable core option.
9) For a behavioral health or anti-ligature opening, should I specify the ML2054?
The ML2054 lockbody is offered with Behavioral Health trim designs (BHSS/BLSS) within the ML2000 Series. If you need a ligature resistant assembly in passage function instead, the TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset for 1-3/4 inch doors, the MRX-A-01 is the same in satin stainless arch trim, and the Marks USA 5PDN is a Grade 1 ligature resistant, ADA compliant hospital passage mortise push/pull paddleset in satin stainless steel.
10) We need electric lock/unlock of the outside lever - does the ML2054 do that, or is there another option?
The ML2054 is a mechanical, non-electronic lockset. For electrified control of the outside lever, the Schlage L9092EU with 03A trim is a heavy duty mortise lock for 1-3/4 inch doors, corridor function, keyed outside, with request to exit and 12/24VDC operation; the BEST 45HW is a heavy duty wired electromechanical mortise lock with 12V/24V operation; and the Command Access ML190 is a heavy duty motorized mortise lock in storeroom function with field selectable EL/EU operation at 24VDC.
11) Is a mortise lock like the ML2054 worth it over a cylindrical lockset on an office door?
On a door that gets heavy daily traffic and needs a deadbolt, yes. The ML2054 puts a 1 inch stainless deadbolt and a deadlocking latch in one steel case, and the ML2000 Series has completed UL cycle testing at 14.5 million cycles (Verification ID V875753). A cylindrical lock such as the Schlage PC10 Grade 1 passage is simpler to install and needs only a bored hole, but it has no deadbolt and no thumbturn. Mortise requires a routed pocket in the door edge, so it's the choice on new steel or solid core doors or where the pocket already exists.
12) My doors are 1-5/8 to 1-7/8 inch thick. Can I still use the ML2054?
Standard ML2054 is built for 1-3/4 inch doors, and optional thicknesses are available from Corbin Russwin if you need something else. If you're working with a thicker range and want an off-the-shelf fit, the Alarm Lock Trilogy DL2700CR and DL3500CR Grade 1 electronic mortise locks list 1-5/8 to 1-7/8 inch, and the Hager 3800 Series mortise locks cover 1-3/4 to 2-1/2 inch. Those are different functions though, so match the function before the thickness.
13) Does the ML2054 need power or wiring?
No. It's a purely mechanical mortise lock, no electronics and nothing to wire. If the opening needs access control or electric latch retraction, that's a different product: the ML20900 series offers Motorized Electric Latch Retraction (MELR). Among other brands we carry, the Command Access ML190 Series is a motorized mortise lock with field selectable fail-safe/fail-secure on 24VDC, and the BEST 45HW is a wired electromechanical mortise lock running 12V or 24V.
14) Can I standardize on one ML2054 lock body across different door functions in my building?
Largely, yes. The ML2054 lockbody is multi-function, configurable to 12 different functions from the one body, which cuts what a maintenance shop has to stock. Trim is thru-bolted for alignment and security, and status indicator options are available on sectional and escutcheon trim so staff can see locked or unlocked at a glance. There are also specialty trims including Museo, Vineyard, and Behavioral Health (BHSS/BLSS) for patient areas.
15) Is there a non-keyed mortise lock I can order for interior doors that do not need the ML2054's cylinder?
Yes. The ML2054 is keyed with a single cylinder - a conventional 6-pin, L4 keyway, 0-bitted cylinder is standard. For interior doors with no locking need, the Schlage PM010 is a Grade 1 passage latch mortise lock, non-keyed, for 1-3/4 inch doors, and the Hager 3810S is a Grade 1 passage mortise lock with rose and 2-3/4 inch backset covering 1-3/4 inch to 2-1/2 inch doors. The Hager 3850E is a Grade 1 non-keyed office mortise lock with lever and escutcheon on a 2-3/4 inch backset.
16) Can I use the ML2054 on a restroom or bedroom door that needs privacy?
No - the ML2054 is an entrance/office lock whose outside lever is controlled by thumbturn and overridden by key, with a single keyed cylinder. For privacy openings, the Cal-Royal NM8440 is a heavy duty Grade 1 privacy mortise lockset with deadbolt for 1-3/4 inch doors, and the Hager 3840S is a Grade 1 privacy mortise lock on a 2-3/4 inch backset for 1-3/4 inch to 2 inch doors.
17) We want keypad or credential access on the same door - what electronic mortise locks compare to the ML2054?
The ML2054 is a mechanical lock with no electronic option. If you need access control at the door, the Schlage CO-100-MS-40-KP is a standalone Grade 1 electronic mortise lock with keypad reader for 1-3/4 inch doors, the TownSteel FME-2000 is a Grade 1 heavy duty classroom mortise lockset with RFID for 1-3/4 inch doors, and the Accentra nexTouch NTM623-NR is a Grade 1 mortise lock with capacitive touchscreen keypad and cylinder override, no deadbolt. Note the functions differ from the ML2054's entrance/office.
18) Does the Sargent 130KB thumbturn work as the thumbturn for the ML2054?
No - it looks related but it is a different maker's part. The Sargent 130KB is a standard duty mortise thumbturn for the 8200 Series, and the 130W is a mortise thumbturn with round backplate for the 7800 Series. The ML2054 uses Corbin Russwin ML2000 Series trim, where thumbturn spacing is 2-7/16 inch center to center from the lever, and the trim is offered as A rose, F rose, M escutcheon, or N escutcheon.
19) What is the difference between the ML2054 and the Sargent 7925 dormitory mortise lock?
Function and bolt count. The Sargent 7925 is a Grade 1 heavy duty dormitory exit function mortise lock with rose trim and a single cylinder deadbolt. The ML2054 is a Grade 1 entrance/office lock whose outside lever is locked or unlocked by thumbturn with key retraction of the latchbolt when locked; it carries a 1 inch stainless steel deadbolt with 1 inch throw and a 3/4 inch throw anti-friction latchbolt.
20) I only need a deadbolt on the door, not a latch and lever - what takes the place of the ML2054?
The ML2054 is a lever lockset with latchbolt plus deadbolt. For deadbolt only, the Sargent 4874 is a double cylinder mortise deadbolt on a 2-3/4 inch backset, matching the ML2054's 2-3/4 inch backset prep, and the Kaba Ilco 185 Series mortise deadbolt is a no-handing option. The Alarm Lock DL4500DB is a Grade 1 electronic mortise deadbolt with privacy keypad and 2,000 user codes for 1-5/8 inch to 1-7/8 inch doors.
21) Is the Emtek 3102 Memphis mortise entrance lockset an alternative to the ML2054?
No. The Emtek 3102 Memphis, 3104 Hamilton, 3106 Manhattan, and 3019 Brisbane mortise entrance locksets are dummy function - they mount trim only and do not latch or lock. The ML2054 is a keyed, Grade 1 working entrance/office lockset. If you want matching inactive trim alongside working hardware, the Schlage L0170 is a Grade 1 non-keyed mortise half dummy trim for 1-3/4 inch doors.
22) Can I order just a mortise lock body to rebuild an existing opening instead of the complete ML2054?
The ML2054 ships as a complete lever lockset with trim chosen from A rose, F rose, M escutcheon, or N escutcheon. For lock body only, the BEST 45HCAC is a heavy duty mortise lock body in public entrance function that is field reversible, and the 45HCAINL is a heavy duty mortise lockbody with intruder function. The ML2054 is also field reversible, using a patented Quick Reversible latchbolt that re-hands without opening the lock case.
23) What material is the ML2054 trim and how do I match it to hardware already in the building?
Trim substrate is brass or bronze, with the armored front and strike supplied in wrought brass, bronze, or stainless steel. Fourteen finishes are offered, including 605 bright brass, 606 satin brass, 611 bright bronze, 612 satin bronze, 613 and 613E oil-rubbed bronze tones, 618 bright nickel, 619 satin nickel, 625 bright chrome, 626 satin chrome, 629 and 630 stainless, 722 black oxidized oil-rubbed bronze, and BSP black suede powder coat. 626 and 630 are the usual commercial defaults if you're matching existing institutional hardware.
24) Is there a vandal resistant version of the ML2054 for a high abuse opening?
The ML2000VR Vandal Resistant variant uses stainless steel escutcheons with tapered edges and Torx pin tamper-resistant screws. Paired with Corbin Russwin patented high-security Pyramid or Access 3 cylinders, it raises intrusion resistance for high-risk areas. Good fit for transit facilities, public restrooms, and housing corridors where standard escutcheon screws get attacked.
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Does the Corbin Russwin COR-ML2054-NSA-626 come with a warranty?
Absolutely. The Corbin Russwin COR-ML2054-NSA-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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