Corbin Russwin ML2065 Grade 1 ...
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Corbin Russwin ML2065 Grade 1 Mortise Dormitory or Entrance Lockset

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Model: COR-ML2065-NSA-626
From the ML2000_Series Collection
$1,635.56
$939.00
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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

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$1,635.56
$939.00
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Corbin Russwin ML2065-KEYED Grade 1 Mortise Dormitory/Entrance Lock with Deadbolt, Field Reversible

Commercial-Grade Dormitory and Entrance Security with Integrated Deadbolt Protection

The Corbin Russwin ML2065-KEYED is a Grade 1 mortise dormitory/entrance lockset from the ML2000 Series, engineered for high-traffic commercial, institutional, industrial, and government applications. Designed for 1-3/4" (44mm) standard door thickness, this lockset features a patented Quick Reversible latchbolt and a 1" stainless steel deadbolt in a heavy-gauge steel lockbody. The latchbolt operates freely by grip from either side unless the outside grip is locked by projection of the deadbolt, while the deadbolt is thrown or retracted by key from outside or by thumbturn from inside. The inside grip simultaneously retracts both the latchbolt and deadbolt and unlocks the outside grip, with the inside grip always remaining free for safe egress.

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
  • Hotel and Hospitality Properties
  • Government and Municipal Buildings
  • Industrial and Institutional Facilities
  • Multi-Tenant Residential and Dormitory Properties

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series option features stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a vandal-resistant barrier for high-abuse environments. When paired with Corbin Russwin patented high-security Pyramid or Access 3® cylinders, the ML2065 becomes a formidable barrier against unauthorized entry.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise locks are built to Grade 1 commercial standards with heavy-gauge steel construction and a patented Quick Reversible latchbolt, validated by UL Cycle testing completed at an exceptional 14.5 Million Cycles (Verification ID: V875753). Every ML2065-KEYED lockset is backed by a 10 Year Limited warranty, reflecting the brand's commitment to long-term performance. Engineered for demanding commercial, institutional, and government applications where dependable security and life safety 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 Strike:
ANSI straight lip standard, 4-7/8" x 1-1/4" x 1-1/8"
Warranty:
10 Year Limited
ANSI/BHMA:
F13
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Keyed:
Yes
Latch Throw:
3/4" Latchbolt, 1" Deadbolt
Commercial/Residential:
Commercial
Function Description:
Latchbolt by grip either side unless outside grip locked by projection of deadbolt. Deadbolt thrown or retracted by key outside or by thumbturn grip inside. Inside grip simultaneously retracts latchbolt and deadbolt and unlocks outside grip.
Lock Type:
Mortise
Lock Function:
Dormitory/Entrance
Product Attribute:
Mortise Locks
Electronic:
No
Tags:
ml2065 corbin russwin
Product Model:
ML2065
Collection:
ML2000_Series
Product Function:
Corridor
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-ML2065-NSA-626 – Frequently Asked Questions

1) How does the Corbin Russwin ML2065 dormitory lock actually work from each side of the door?
The latchbolt retracts by grip from either side unless the outside grip is locked by throwing the deadbolt. From outside, the deadbolt is thrown or retracted by key. From inside, a thumbturn throws it, and turning the inside grip pulls back both the latchbolt and the deadbolt at once while unlocking the outside grip. That means the inside is always free for egress, which is why this function suits dorm rooms, apartments, and any corridor opening where the occupant secures the door behind them but must never be trapped.
2) Will the ML2065 mortise lock fit a 1-3/4 inch commercial door?
Yes, 1-3/4 inch (44mm) is the standard door thickness for the ML2065, which is the usual commercial door. It mortises with a 2-3/4 inch backset and a lockcase measuring 5-7/8 x 4 x 15/16 inches. Optional thicknesses are available if your doors are heavier than standard.
3) Do I have to order the ML2065 handed, or can I reverse it in the field?
Handing is field reversible. The ML2000 Series uses a patented Quick Reversible latchbolt, so you re-hand the lock without opening the lock case. Useful if you are stocking one lock for a building with openings swinging both ways, or if the door gets rehung later.
4) Will the ML2065 latch into the strike prep already in my frame?
The lock ships with an ANSI straight lip strike, 4-7/8 x 1-1/4 inches with 1-1/8 inch lip to center, so it drops into a standard ANSI 4-7/8 frame prep. The latchbolt has a 3/4 inch throw with an anti-friction insert, the auxiliary deadlatch has 9/16 inch effective throw, and the deadbolt throws a full 1 inch, so the frame needs a deadbolt pocket deep enough for that inch of stainless steel, not just a latch cutout.
5) Can I key the ML2065 into my existing building master key system?
It can be used with new or existing Corbin Russwin key systems, and the lock accepts most other manufacturers' cylinders, so an opening already keyed to another brand's system can usually stay on that system. Standard is a conventional 6-pin brass cylinder in the L4 keyway, 0-bitted. If you are keying to your own system, order LC (less cylinder), or CL6 / CL7 to take a 6-pin or 7-pin large format interchangeable core you supply. Keying is specified as keyed different or keyed alike.
6) Is the ML2065 rated for a fire door?
It is UL and cUL listed to UL10C positive pressure, good for a 3 hour fire door up to 4 by 10 feet single or 8 by 10 feet in a pair. It also carries ANSI/BHMA A156.13 Series 1000 Grade 1 for both operational and security, ANSI F13 function, ADA A117.1, California State Fire Marshal, and windstorm/hurricane certification. UL cycle testing was completed at 14.5 million cycles.
7) What do I have to specify when ordering an ML2065 lockset?
Four decisions. Cylinder: standard conventional 6-pin L4, or LC less cylinder, or CL6 / CL7 for a 6-pin or 7-pin LFIC less core. Keying: keyed different or keyed alike, with a key code if you are matching an existing system. Lever: Armstrong, Citation, Dirke (specify left or right hand), Essex, Lustra, Newport, Princeton, or Regis. Trim: A rose at 2-1/4 inch diameter, F rose at 2-7/8 inch, or M or N escutcheon. Then finish, from 605 bright brass through 630 satin stainless and BSP black suede powder coat.
8) What is the closest equivalent to a Corbin Russwin ML2065 dormitory mortise lock from another manufacturer?
The Sargent 7925 is the nearest match in function. It is a Grade 1 heavy duty mortise lock listed with a Corridor/Dormitory function, rose trim, and a single cylinder deadbolt, which mirrors how the ML2065 works: the deadbolt is thrown or retracted by key outside or thumbturn inside, and the inside grip retracts latchbolt and deadbolt together while unlocking the outside grip. Both are Grade 1 mortise bodies, so a specification calling for a Grade 1 dormitory function mortise lock can be met either way. The difference is trim scope - the Sargent 7925 is described with rose trim, while the ML2065 is ordered across A and F roses and M and N escutcheons with nine lever designs.
9) If the opening does not need a deadbolt, what mortise lock should be used instead of the ML2065?
Use a storeroom or office function body instead. The Accentra 8805FL is a Grade 1 storeroom mortise lock from the 8800 Series, the Cal-Royal NM8080 is a Grade 1 storeroom mortise lockset for 1-3/4 inch doors with an interchangeable core option, and the Cal-Royal NM8050 is a Grade 1 office/entrance mortise lockset for 1-3/4 inch doors with an auxiliary deadlatch. All three secure the outside lever by key or button without adding a separate bolt. The ML2065 is specifically a dormitory/entrance function whose outside grip is locked by projection of the 1 inch deadbolt, so on a door where no deadbolt is wanted the extra bolt and the thumbturn prep are work you would not need.
10) Is a Sargent 4874 mortise deadbolt a substitute for the ML2065?
No. The Sargent 4874 is a double cylinder mortise deadbolt on a 2-3/4 inch backset from the 4870 Series - a bolt only, with a cylinder on both faces and no latch or lever. The ML2065 is a single cylinder keyed lockset that combines a 3/4 inch latchbolt with a 1 inch deadbolt in one case, and its inside grip always retracts both for egress. Replacing an ML2065 with a 4874 leaves the opening with no latching function and, because both sides are keyed, no free inside egress. The Kaba Ilco 185 Series is likewise a deadbolt function unit rather than a lockset. Deadbolts of this kind are used to add a bolt above an existing latch, not to replace a combined dormitory lock.
11) Is a Baldwin 6301 entry/apartment mortise lock body a drop-in replacement for an ML2065?
Not without checking the mortise pocket. The Baldwin 6301 entry/apartment mortise lock body is offered knob by knob or lever by lever on a 2-1/2 inch backset for doors 1-3/4 inch and over, and the Baldwin 6310 entry/storeroom body uses the same 2-1/2 inch backset for doors 1-3/8 inch and over. The ML2065 is a 2-3/4 inch backset lock. A 2-1/2 inch backset body sets the lever and cylinder a quarter inch closer to the door edge, so the existing bore and face prep from a 2-3/4 inch mortise lock will not line up. Where the door is already prepped for the ML2065, stay with a 2-3/4 inch backset body.
12) What should be specified instead of an ML2065 when the opening needs access control release or remote unlocking?
Use an electrified mortise body. The Schlage L9092EU-T-03A-626-RX is a heavy duty corridor function mortise lock for 1-3/4 inch doors, keyed outside, with request to exit and 12/24VDC operation. The Command Access ML190 Series is a heavy-duty motorized mortise lock with field selectable EL/EU operation on 24VDC in storeroom function, and the BEST 45HW is a heavy duty wired electromechanical mortise lock running 12V or 24V. The ML2065 is a mechanical lockset with no electrical operation, so unlocking it means a key at the door or the inside thumbturn. Its own dormitory function and the Schlage L9092EU both sit in the corridor family, which makes the electrified Schlage the closer swap where the opening is otherwise the same.
13) What is the difference between the ML2065 dormitory function and a storeroom or classroom mortise lock?
Dormitory/entrance gives the occupant a deadbolt they control: outside grip stays free until the deadbolt is thrown by key or inside thumbturn. A storeroom lock keeps the outside lever locked at all times and has no deadbolt, which is what you want on a mechanical room or supply closet. For a storeroom opening look at the Accentra 8805FL or the Cal-Royal NM8080, both Grade 1 storeroom mortise locks; for a classroom function where the teacher locks the outside lever by key, the Cal-Royal NM8070 is the Grade 1 classroom equivalent. Pick dormitory only where someone occupies the room and needs to secure it from inside.
14) Can I get a dormitory mortise lock with a status indicator so staff can see if a room is secured?
Indicator options for locked/unlocked visibility are available on the ML2000 Series in both sectional and escutcheon trim. Specify the trim style you want (A or F rose, M or N escutcheon) with the indicator when you order. Trim across the series is thru-bolted for alignment and added pull-off resistance, and a vandal resistant version with stainless escutcheons, tapered edges, and Torx pin tamper-resistant screws is offered for high-abuse openings.
15) Is the ML2065 an electronic lock, and what if I need access control on that door?
No, this is a mechanical lockset with a key cylinder and thumbturn, no electronics. If the opening needs credentials or remote control, look at electronic mortise options instead: the Dormakaba E-Plex 2066 is a pushbutton keyless mortise lock, the TownSteel FME-2000 is a Grade 1 mortise lockset with RFID on 1-3/4 inch doors, and the Alarm Lock DL3500CR is a Grade 1 keypad mortise lock with 300 user codes. Note the Alarm Lock units fit 1-5/8 to 1-7/8 inch doors, a different range than the ML2065's 1-3/4 inch.
16) How far apart are the cylinder and thumbturn cutouts on an ML2065 door prep?
Center to center from the knob or lever to the cylinder is 3-5/8 inches (92mm), and from the knob or lever to the thumbturn is 2-7/16 inches (62mm). The armored front measures 8 x 1-1/4 inches in wrought brass, bronze, or stainless. Check these against an existing prep before you order, since a door cut for a different maker's spacing will not take this trim without patching.
17) What are the electronic alternatives to a keyed ML2065 mortise lock for a dormitory or apartment entry?
Several credential-based mortise locks cover the same opening. The Dormakaba E-Plex E5086 is a Grade 1 entry/egress electronic pushbutton and card mortise lock in a back to back configuration. The Schlage CO-100-MS-40-KP is a Grade 1 heavy duty standalone electronic mortise lock with a keypad reader for 1-3/4 inch doors. The Schlage Electronics LEMD-GRW is a Grade 1 ENGAGE Series wireless mortise lock with a 125kHz proximity reader and a mobile enabled deadbolt with LED, carrying a 3 hour fire rating. The Accentra NTM623-NR nexTouch Generation 3 uses a capacitive touchscreen keypad with cylinder override and no deadbolt. The ML2065 is a non-electronic lockset keyed with a conventional 6-pin L4 keyway cylinder, 0-bitted as standard, so choosing it means managing the opening with keys rather than codes or credentials.
18) Will an Alarm Lock Trilogy DL2700CR or DL3500CR fit the same door as an ML2065?
Check the door thickness before ordering. The Alarm Lock DL2700CR and DL3500CR are Grade 1 classroom function electronic mortise locks, and both are listed for a door thickness range of 1-5/8 inch to 1-7/8 inch. The ML2065 is built for 1-3/4 inch doors, which falls inside that band, so a 1-3/4 inch door accepts either. On a door outside 1-5/8 to 1-7/8 inch the Trilogy units are not a fit. Function also differs: the DL2700CR and DL3500CR are classroom function with the DL3500CR holding 300 user codes, while the ML2065 is a dormitory/entrance function operated by key and thumbturn.
19) What mortise lock replaces an ML2065 on a behavioral health or anti-ligature opening?
Use a ligature resistant body. The TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset in passage function for 1-3/4 inch doors, and the MRX-A-01 is the same passage function with satin stainless steel ligature resistant arch trim. The Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset, ligature resistant and ADA compliant in satin stainless steel. All three are passage function, meaning the opening is not keyed, whereas the ML2065 is a keyed single cylinder lock with a thumbturn and lever trim - a projecting thumbturn and lever are the details that rule it out where ligature resistance governs.
20) What is a simpler mortise lock than the ML2065 for a door that only needs to latch?
Drop to a passage function. The Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock for 1-3/4 inch doors, the Falcon MA101 is a Grade 1 heavy duty mortise passage lock with field reversible operation and a fire rating, and the Hager 3810S and 3810E are Grade 1 passage mortise locks on a 2-3/4 inch backset for doors 1-3/4 inch to 2-1/2 inch, the 3810S with rose trim and the 3810E with escutcheon. These share the ML2065's 2-3/4 inch backset in the Hager case but carry no cylinder and no deadbolt. The ML2065 brings a keyed cylinder, a 1 inch deadbolt, and a thumbturn, which a closet or corridor door that never locks does not use.
21) Do Emtek 3102 or 3104 mortise entrance locksets work as a substitute for an ML2065?
No. The Emtek 3102 Memphis and 3104 Hamilton mortise entrance locksets, along with the 3106 Manhattan and the 3019 Brisbane in brass, are all dummy function. A dummy unit is trim only with no working latch or bolt behind it - it is mounted on an inactive leaf for appearance and pull. The Schlage L0170 is likewise a Grade 1 mortise half dummy trim. The ML2065 is a keyed dormitory/entrance lock with a 3/4 inch latchbolt and a 1 inch deadbolt operating from a heavy steel case. If both leaves of a pair are being ordered, the dummy sets cover the inactive leaf, but they cannot secure the active one.
22) For a bathroom or bedroom door, what mortise lock is used instead of a dormitory function ML2065?
Specify a privacy function. The Cal-Royal NM8440 is a Grade 1 privacy mortise lockset with a 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 doors 1-3/4 inch to 2 inch. Privacy function locks from inside without a key on the outside, which is what a bed or bath opening calls for. The ML2065 is keyed with a single cylinder and its deadbolt is thrown by key from outside, so it puts a corridor-side cylinder on a door that does not need one.
23) Is a BEST 45H public entrance mortise lock body the same thing as an ML2065?
They are close in intent but not the same function. The BEST 45HCAC is a heavy duty mortise lock body in public entrance function with field reversible operation, matching the ML2065 on reversibility - the ML2065 is field reversible and re-handed without disassembling the lock case. The difference is the bolt. The ML2065 carries a 1 inch deadbolt whose projection is what locks the outside grip, and it is ordered as a complete keyed lockset with lever, rose or escutcheon, and cylinder. The 45HCAC is catalogued as a lock body, so trim and cylinder are separate decisions.
24) Which mortise lock suits a hotel or apartment door where guests carry credentials rather than keys, compared with an ML2065?
The Dormakaba LX-I-M002 Saffire is an electronic RFID mortise lockset with BLE mobile access at BHMA Grade 2, and the Dormakaba PowerPlex P2066 is a mortise lock from the PowerPlex 2000 Series. The Dormakaba E-Plex 2066 is an electronic pushbutton keyless mortise lock for wide stile applications. Against these, the ML2065 is a Grade 1 mechanical lock certified to ANSI/BHMA F13 for 1-3/4 inch commercial doors, keyed on a conventional 6-pin L4 cylinder and workable with new or existing Corbin Russwin key systems. The choice comes down to whether the property is issuing keys into an existing keyway or issuing credentials.
25) Will an ML2065 match the finish on the rest of my building's door hardware?
Fourteen finishes are offered, covering the common commercial specs: 605 bright brass, 606 satin brass, 611 bright bronze, 612 satin bronze, 613 satin bronze oil-rubbed, 613E dark oxidized satin bronze equivalent, 618 bright nickel, 619 satin nickel, 625 bright chrome, 626 satin chrome, 629 bright stainless, 630 satin stainless, 722 black oxidized bronze oil-rubbed, and BSP black suede powder coat. For a school or hospital already standardized on 626 or 630, both are stocked. Trim substrate is brass or bronze.
26) Is one ML2000 lockbody enough if I need several different functions across a building?
The series is multi-function: 12 functions are configurable from a single ML2054 lockbody, so a facility standardizing on ML2000 can carry fewer part numbers and change function in the field rather than stocking a separate lock for every opening type. Combined with the field reversible latchbolt, that cuts what a maintenance shop has to keep on the shelf.
27) Can a Sargent 130KB or 130W thumbturn be ordered to replace the thumbturn on an ML2065?
Those are trim pieces for other lock lines, not ML2065 parts. The Sargent 130KB is a standard duty mortise thumbturn from the 8200 Series and the 130W is a standard duty mortise thumbturn with a round backplate from the 7800 Series. The ML2065 sets its thumbturn 2-7/16 inch center to center from the knob or lever, with the cylinder at 3-5/8 inch, and the thumbturn is part of the ML2000 Series trim ordered with the lock in A or F rose or M or N escutcheon. Match replacement thumbturns to the series of the lock body on the door.
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Does the Corbin Russwin COR-ML2065-NSA-626 come with a warranty?
Absolutely. The Corbin Russwin COR-ML2065-NSA-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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