Corbin Russwin ML2057-LL-626 Grade 1 Mortise Lockbody, Storeroom/Closet Function, Satin Chrome Finish

Corbin Russwin ML2057-LL-626 Grade 1 Mortise Lockbody, Storeroom/Closet Function, Satin Chrome Finish

Condition: Used. Good used condition.

The Corbin Russwin ML2057-LL-626 is a heavy-duty Grade 1 mortise lockbody from the highly durable ML2000 Series, built specifically for storeroom or closet applications. It is designed to deliver top-tier security and reliability in high-traffic commercial, institutional, and industrial environments, where longevity and abuse resistance are critical. This model includes the patented quick-reversible latchbolt mechanism for effortless handing changes, and a solid 1-inch stainless steel deadbolt, making it an ideal choice for secure doors where outside key access is required and the inside lever is always operable for safe egress.
The lock features a 626 (US26D) Satin Chrome finish, providing a modern appearance and enhanced corrosion resistance, and is ANSI/BHMA A156.13 certified for Grade 1 performance—the highest standard in mortise locks.

Features
Function: ML2057 (Storeroom/Closet – key required to unlock from outside; inside lever always free)
Finish: 626/US26D Satin Chrome
Latchbolt: Patented quick reversible, non-handed
Deadbolt: 1″ stainless steel, hardened for strength
Backset: Standard 2-3/4″
Case Dimensions: 4-3/16″ x 6-1/16″
Material: Heavy-gauge steel case with anti-corrosion plating

Applications
Commercial office buildings
Institutional facilities (universities, government)
Schools and educational environments
Hospitals and healthcare buildings
Hotels and hospitality complexes
Secure storage and closet doors

Cross-Referenced Models
The ML2057-LL-626 is functionally and dimensionally compatible with:
Sargent 8205 (Storeroom)
Schlage L9050
Yale 8807FL
Best 45H7D Series
These models also provide ANSI Grade 1 mortise lock performance with storeroom functions.

Comparable Products
Schlage L9050P 06A 626 – Heavy-duty mortise lock for storeroom use
Sargent 8205-LNB-26D – Grade 1 mortise lockbody, storeroom function
Yale 8807FL-626 – ANSI Grade 1, comparable storeroom mortise lock
Best 45H7D14-626 – Heavy-duty interchangeable core-compatible storeroom lock

Assemblies & System Compatibility
This lockbody is part of the Corbin Russwin ML2000 Series and is designed for use with:
Compatible Trim: Arch, Princeton, Sierra, Newport, and other architectural styles from Corbin Russwin
Levers: LA, LC, LD, LS, etc.
Cylinders: Accepts standard mortise cylinders or IC preps
Strikes: ANSI strike plate or specific frame hardware (not included)
Door Types: Hollow metal, wood, or composite commercial doors

Related
mortise lock body
ANSI Grade 1 door lock mechanism
Corbin Russwin ML2057 replacement lock
US26D satin chrome finish commercial door lock
storeroom function security lock
interchangeable core compatible mortise lock
lock case for high-traffic commercial doors
reversible latch mortise lock body

Common Requests
Can this be re-handed in the field?
Yes. Features patented quick reversible latchbolt.
What type of cylinder fits this unit?
Compatible with standard mortise cylinders and interchangeable core (IC) with proper prep.
Is this fire rated?
Yes, UL listed for up to 3-hour fire-rated doors.
Can it be used with existing Corbin Russwin trim?
Yes, any ML2000 series trim is compatible.

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