TownSteel MSE Series ANSI Grad...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$715.00
$710.62
TownSteel TownSteel MSE Series Apartment/Exit/Public Toilet Function - Heavy Duty Standard Escutcheon Mortise Lock, Double Cylinder TWS-MSE-09

TownSteel MSE Series ANSI Grade 1 Heavy Duty Mortise Lock with Escutcheon Trim, Double Cylinder

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Model: MSE-R-T-09-626
$715.00
$710.62
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$715.00
$710.62
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TownSteel MSE Series ANSI Grade 1 Heavy Duty Mortise Lock with Escutcheon Trim, Double Cylinder

The TownSteel MSE Series is an ANSI Grade 1 heavy duty mortise lock engineered for Apartment/Exit/Public Toilet double cylinder applications. Featuring a 2-3/4" backset, a 3/4" projection stainless steel split anti-friction latch bolt, and a 10-9/16" x 2-3/8" x 9/32" brass escutcheon, this lock delivers commercial-grade security and durability. It is designed for single-opening, stand-alone use or integration into access control systems with optional status sensors.

Key Features

  • Backset & Hardware Dimensions: 2-3/4" backset, 1-1/4" x 8" stainless steel faceplate, and 10-9/16" x 2-3/8" x 9/32" brass escutcheon for proper door fit.
  • Heavy-Duty Latch Assembly: 3/4" projection stainless steel split anti-friction latch bolt paired with a stainless steel guard bolt for reliable, secure latching.
  • Durable Lever & Trim Construction: Forged brass/cast zinc levers, classic visible brass thumb turn, and stainless steel rocker-type stop works for lasting performance.
  • ANSI Strike Compatibility: Includes a plated/stainless steel ANSI strike designed for standard frame preparation.
  • Double Cylinder Keyed Function: Configured for Apartment/Exit/Public Toilet applications, requiring a key on both sides for controlled, secure access.
  • Access Control Ready: Optional status sensors including REX (request-to-exit), PRIV (privacy), DAJ (door ajar), and MKO (mechanical key override) support access control integration.
  • Versatile Installation: Suitable for single-opening, stand-alone applications or as part of a larger integrated access control network.

Certifications & Compliance

  • ANSI Grade 1 Heavy Duty Mortise Lock
  • 2-Year Manufacturer's Warranty

Technical Specifications

  • Product Group: Mechanical Locks
  • Product Subgroup: Mortise Locks and Trim
  • Product Type: Mortise Locks
  • Subcategory: Mortise Locks
  • Keyed Function: Double Cylinder
  • Commercial/Residential: Commercial
  • Keyed: Yes
  • Lock Function: Double Cylinder
  • Product Attribute: Mortise Locks
  • Electronic: No
  • Product Function: Apartment/Exit/Public Toilet
  • Product Category: Mechanical Locks
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Multi-Tenant Residential Properties
  • Public Restroom Facilities
  • Government and Municipal Buildings

Why TownSteel MSE?

TownSteel MSE Series mortise locks combine ANSI Grade 1 heavy-duty construction with stainless steel and forged brass components built for demanding commercial environments. With a stainless steel latch bolt, rocker-type stop works, and optional REX, PRIV, DAJ, and MKO sensors, this lock delivers dependable, long-term performance for stand-alone or access-controlled applications.

Product Specs

Series:
MSE Series
Product Group:
Mechanical Locks
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Subcategory:
Mortise Locks
Keyed Function:
Double Cylinder
Commercial/Residential:
Commercial
Lock Type:
Mortise
Keyed:
Yes
Lock Function:
Double Cylinder
Grade:
Grade 1
Duty Level:
Heavy Duty
Product Attribute:
Mortise Locks
Electronic:
No
Product Function:
Apartment/Exit/Public Toilet
Product Category:
Mechanical Locks
Department:
Door Hardware

TownSteel MSE-R-T-09-626 – Frequently Asked Questions

1) What does the Apartment/Exit/Public Toilet double cylinder function on the TownSteel MSE mortise lock actually do?
It is a keyed-both-sides arrangement. The MSE Series lock in this configuration is a double cylinder function, so a key is used on each side rather than a thumbpiece release on the inside. That is why it gets specified on apartment corridor doors, exit doors and public toilet rooms where the building wants key control on both faces. If you need a free-egress inside lever without a key, this is the wrong function for that opening.
2) Do I have to specify handing when I order a TownSteel MSE mortise lock?
Yes, handing is a required selection. You pick LH (left hand), RH (right hand), LHR (left hand reverse) or RHR (right hand reverse). Stand outside the door, on the key side: if the hinges are on your left it is left hand, and if the door swings toward you it is a reverse hand. Get this wrong and the lever and latch orientation will be backwards on the opening.
3) Can I get the TownSteel MSE mortise locks keyed alike across a building?
Yes. Keying is a required choice at order time: KD keyed different is the standard, KA keyed alike is there for running multiple locks on one key, or you can submit a specific key code for special keying. Property managers standardizing a floor or a common-area group should take KA and order all the locks together so they come from the same key section.
4) Does the TownSteel MSE mortise lock take a small format interchangeable core?
It can. The cylinder choice is either Standard or SFIC prep less core. If your facility is already on a small format interchangeable core system, order the SFIC prep version and supply your own cores from your existing keyway. Bear in mind this is a double cylinder function, so an SFIC opening needs two cores, not one.
5) What is a comparable Grade 1 mortise lock for apartment corridor doors if escutcheon trim is not required?
The Sargent 7925 is a Grade 1 heavy duty mortise lock with dormitory/exit function and rose trim, with a single cylinder deadbolt. The TownSteel MSE apartment/exit/public toilet mortise lock is Grade 1 heavy duty as well, but is a double cylinder function furnished with escutcheon trim in low or regular escutcheon form. Choose the 7925 where the opening is prepped for rose trim, and the MSE where a full escutcheon plate is wanted.
6) Which mortise lock should I use for an apartment entry door instead of the TownSteel MSE apartment/exit function?
For a residential-style apartment entry, the Baldwin 6301 is an entry/apartment mortise lock body offered knob by knob or lever by lever on a 2-1/2 inch backset for doors 1-3/4 inch and over. The TownSteel MSE apartment/exit/public toilet lock is a commercial Grade 1 heavy duty unit on a 2-3/4 inch backset with escutcheon lever trim. The backset difference is the deciding factor if the door is already prepped.
7) If the public toilet door only needs privacy and no key, what mortise lock replaces the TownSteel MSE?
For a non-keyed privacy opening, the Cal-Royal NM8440 is a Grade 1 privacy/bed/bath 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. The TownSteel MSE apartment/exit/public toilet lock is a keyed double cylinder function, so it is the choice only when key control is required on the restroom or apartment door.
8) Is the TownSteel MSE mortise lock heavy enough for a high traffic apartment corridor?
It is built for that duty. The MSE Series is an ANSI Grade 1 heavy duty commercial mortise lock, which is the top grade in the ANSI/BHMA scale for cycle life and strength, and the internal wear parts are stainless: the latch bolt, guard bolt, faceplate and rocker-type stop works. Levers are forged brass or cast zinc plated to match the finish.
9) What is the difference between the MSE low and regular escutcheon, and how big is the plate?
Both are escutcheon trim rather than a round rose, so you get a full vertical plate covering the lock area on each face. The brass escutcheon measures 10-9/16 x 2-3/8 x 9/32 inches. The MSE Regular and MSE Low options differ in escutcheon profile, so pick whichever matches the trim already on your other doors if you are trying to keep an existing look consistent.
10) Is this TownSteel MSE lock electronic or can it be tied into access control?
This one is mechanical, not electronic. If you need the opening on a credential reader or card system, look at a motorized or electrified mortise lock instead: the Command Access ML190 Series is a motorized mortise lock with field selectable fail safe or fail secure operation on 24VDC, and the Schlage L9092EU with 03A trim is an electrically unlocked mortise lock with request-to-exit, keyed outside, at 12/24VDC.
11) What is a comparable Grade 1 mortise lock if I need a different function than apartment/exit?
Several Grade 1 mortise locks cover the other common functions. Cal-Royal's NM Series runs NM8050 office/entrance, NM8070 classroom, NM8080 storeroom with an interchangeable core option, and NM8440 privacy with deadbolt, all Grade 1 for 1-3/4 inch doors. Corbin Russwin ML2003 is a Grade 1 classroom mortise for 1-3/4 inch doors, and Sargent 7925 is a Grade 1 heavy duty dormitory/exit function with rose trim and a single cylinder deadbolt.
12) I want escutcheon trim instead of a rose on my mortise locks. What are my options?
The TownSteel MSE Series is escutcheon trim by design, with a brass plate measuring 10-9/16 x 2-3/8 x 9/32 inches. If you need escutcheon trim in another function, Hager's 3800 Series splits it out explicitly: the 3810E is a Grade 1 passage mortise lock with escutcheon and 2-3/4 inch backset, and the 3850E is the office function with lever and escutcheon, both on the same 2-3/4 inch backset. Hager's 3810S is the same passage lock with a rose instead if you change your mind on trim.
13) Does the TownSteel MSE lock have a deadbolt, and what is the guard bolt for?
The MSE in this configuration works off a latch bolt with a stainless steel guard bolt, which deadlocks the latch against carding when the door closes. If your opening needs a separate throwing deadbolt, a double cylinder mortise deadbolt like the Sargent 4874 on a 2-3/4 inch backset covers that, or Cal-Royal NM8440 pairs a privacy lockset with a deadbolt.
14) What is the difference between the TownSteel MSE apartment/exit function and a storeroom mortise lock?
A storeroom lock such as the Accentra 8805FL in the 8800 Series or the Cal-Royal NM8080, both Grade 1, keeps the outside lever always locked and entry by key only. The TownSteel MSE apartment/exit/public toilet lock is a double cylinder keyed function, meaning cylinders on both sides of the door rather than a fixed-locked outside lever. Use storeroom for supply and utility rooms, and the MSE function where the opening needs key control from each side.
15) Is an electronic mortise lock a direct substitute for the TownSteel MSE escutcheon mortise lock?
Not directly. Units such as the Alarm Lock DL3500CR Trilogy Grade 1 electronic mortise lock with classroom function, the Schlage CO-100-MS Grade 1 standalone electronic mortise lock with keypad reader, or the BEST 45HZ EZ Series keypad mortise lock with key override add credential hardware and their own trim footprint. The TownSteel MSE lock is non-electronic and mechanically keyed, though the MSE body is offered with optional status sensors for request-to-exit, privacy, door ajar and mechanical key override when integrating into an access control system.
16) What looks like a substitute for the TownSteel MSE mortise lock but will not work?
Two things to rule out. The Sargent 4874 is a double cylinder mortise deadbolt on a 2-3/4 inch backset and the Kaba Ilco 185 Series is a deadbolt mortise lock with no handing, so neither carries a latch or lever trim. And the Schlage PC10 is a Grade 1 cylindrical passage lock, a bored-door product rather than a mortise pocket. The TownSteel MSE is a mortise lock with a 3/4 inch projection anti-friction latch bolt, guard bolt, 1-1/4 by 8 inch faceplate and lever escutcheon trim, and it requires handing to be specified.
17) For a public entrance door where the outside lever should stay unlocked during business hours, what mortise lock fits better than the TownSteel MSE apartment/exit function?
The BEST 45HCAC is a heavy duty mortise lock body with public entrance function and field reversible operation, which suits a lobby door that is unlocked by day and locked after hours. The TownSteel MSE apartment/exit/public toilet lock is a heavy duty Grade 1 double cylinder function with key control from both sides, and handing is specified at order rather than reversed in the field.
18) Does the TownSteel MSE mortise lock take an interchangeable core like other Grade 1 mortise locks?
Yes. The TownSteel MSE apartment/exit/public toilet mortise lock is offered with either a standard cylinder or an SFIC prep supplied less core, so an existing small format core system can be carried over. The Cal-Royal NM8080 Grade 1 storeroom mortise lockset also lists an interchangeable core option, so both can be brought into a keyed system on a facility standard.
19) What lever styles and finishes can I get on the TownSteel MSE escutcheon mortise lock?
Eight lever designs are offered: Artistic, Congr, Gala, Imperial, Quest, Regal, Sentinel and Tango. Finishes run 605 bright brass, 606 satin brass, 622 matte black, 625 bright chrome, 626 satin chrome, 629 bright stainless and 630 satin stainless. For matching existing commercial openings, 626 satin chrome and 630 satin stainless are the two most common building standards.
20) I only need trim on the inactive leaf, not a working lock. What should I order instead of the TownSteel MSE?
Dummy trim is the right part there. The Schlage L0170 is a Grade 1 mortise non-keyed half dummy lever trim for 1-3/4 inch doors, and the Falcon MESC600DT is a dummy escutcheon lever trim. The TownSteel MSE lock is a keyed, double cylinder working mortise lock with a latch bolt, guard bolt and rocker type stop works.
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Does the TownSteel MSE-R-T-09-626 come with a warranty?
Absolutely. The TownSteel MSE-R-T-09-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the TownSteel MSE-R-T-09-626?
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