Accentra 5408LN Grade 1 Classr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$930.93
$531.44
Yale Commercial Yale 5408LN Grade 1 Classroom Cylindrical Lever Lock Monroe Trim Design YAL-MO-5408LN

Accentra 5408LN Grade 1 Classroom Cylindrical Lever Lock with Monroe Trim Design

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Model: MO-5408LN-626
From the 5400 Series Collection
Selected Finish is

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

$930.93
$531.44
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Accentra 5408LN Grade 1 Classroom Cylindrical Lever Lock with Monroe Trim Design

Heavy-Duty Commercial Grade Cylindrical Lockset

The Accentra 5408LN Grade 1 Classroom Cylindrical Lever Lock delivers professional-grade security and reliability for commercial applications. This heavy-duty lockset features adjustable door thickness from 1-3/4" to 2-1/4", 2-3/4" standard backset, and 1/2" stainless steel latchbolt throw. ANSI/BHMA Grade 1 certified with UL/cUL fire rating up to 3 hours, this lockset meets the demanding requirements of educational and commercial facilities.

Professional Features & Benefits

  • ANSI/BHMA: A156.2, Series 4000 Grade 1
  • UL/cUL: UL/cUL fire-rated up to 3 hours
  • Windstorm: Certified (refer to local codes)
  • Mechanism: Heavy-gauge steel, zinc-plated, dichromated
  • Backset: 2-3/4" standard; 3-3/4" or 5" extension link available to order
  • Latchbolt: 1/2" stainless steel throw standard; 3/4" throw available to order
  • Guardbolt: Deadlocks latchbolt when door is closed; standard on all locking functions
  • Door Thickness: Adjustable from 1-3/4" to 2-1/4"
  • Fronts: 2-1/4" x 1-1/8" beveled standard; flat fronts available to order
  • Lead Shielding: Available to order
  • Cylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin available to order. For other cylinder and keying options, see page 31.
  • Reversibility: Non-handed
  • Strikes: 1-1/4" curved lip for 1-3/4" door standard; other lip lengths available to order; all reversible
  • Finishes: Available in 13 finishes, including PVD lifetime finish options for 613. PVD is standard for 605 and 606
  • Warranty: 7-year mechanical

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness from 1-3/4" to 2-1/4", backset requirements, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Educational Facilities and Classroom Security
  • Commercial Office Buildings
  • Healthcare Institutions
  • Government and Municipal Buildings
  • Multi-Tenant Residential Properties
  • Industrial and Warehouse Facilities
  • Retail Establishments

Why Choose Accentra Quality?

Accentra cylindrical lever locks deliver professional-grade reliability with heavy-gauge steel construction and wear-resistant chassis plates rated for Grade 1 performance. The 7-year mechanical warranty provides added confidence for demanding commercial applications. Engineered for educational and commercial facilities where dependable access control and fire safety compliance are essential.

Product Specs

Series:
5400 Series
Subcategory:
Lever Locksets
Grade:
Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Handle Type:
Lever
Lock Function:
Classroom
Product Attribute:
Cylindrical Locks
Product Model:
YAL-5408LN
Collection:
5400 Series
Product Function:
Classroom
Lever Design Name:
Monroe Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra MO-5408LN-626 – Frequently Asked Questions

1) How does a classroom function lock actually work day to day?
On the 5408LN, the outside lever is locked and unlocked by key only. There is no thumbturn or pushbutton inside, so a teacher cannot accidentally leave the room locked from the inside and a student cannot lock it. The inside lever always retracts the latch for free egress. A guardbolt deadlocks the latchbolt whenever the door is closed, which is what keeps the latch from being carded.
2) Is the Accentra 5408LN approved for a fire-rated classroom door?
It carries UL/cUL fire ratings up to 3 hours and is ANSI/BHMA A156.2 Series 4000 Grade 1. Windstorm certification is also stated, subject to local code. Lead shielding is available to order if the opening is in an x-ray or imaging suite.
3) Will the 5408LN latch into the strike already in my frame?
Standard latchbolt throw is 1/2 inch stainless steel, with a 3/4 inch throw available to order if you have a gapped or warped opening. The front is a 2-1/4 x 1-1/8 inch beveled face, flat fronts on request, and the standard strike is a 1-1/4 inch curved lip sized for a 1-3/4 inch door. Other lip lengths can be ordered when the frame is set back further than usual. If your existing prep took a 1/2 inch throw latch with the same front, it drops straight in.
4) What is the closest Grade 1 classroom cylindrical lever lock to the Accentra 5408LN from another brand?
The Dexter C1000 Series classroom lever lock is the nearest equivalent: it is a Grade 1 cylindrical lever with classroom function, same as the 5408LN's Grade 1 classroom rating. The difference to check before ordering is door thickness - the Accentra 5408LN adjusts from 1-3/4 inch to 2-1/4 inch, while the Dexter C1000 classroom is listed for 1-3/8 inch to 1-3/4 inch doors. On a 2 inch or thicker door, the Accentra covers it and the Dexter does not.
5) Is there a lower-grade classroom lever lock I can use instead of the Accentra 5408LN on a light-traffic door?
Yes. The Cal-Royal AG03 is a Grade 2 classroom lever with a 6-pin Schlage C keyway, keyed different, and a 2-3/4 inch backset - the same 2-3/4 inch standard backset the Accentra 5408LN uses, so the door prep matches. The 5408LN is ANSI/BHMA A156.2 Series 4000 Grade 1 with a 6-pin brass keyed-random cylinder and UL/cUL fire rating up to 3 hours, which is what you give up moving to the AG03.
6) I need a classroom door that can also be locked down from inside - is the Accentra 5408LN the right function?
No. The Accentra 5408LN is a classroom function lock, keyed from the outside only with no inside locking. For lockdown from within the room, the Dexter C1000 Series is offered in a Classroom Security function, also Grade 1 cylindrical, which adds inside keyed control. Both are clutching-lever style cylindrical locks; the Dexter Classroom Security is listed for 1-3/8 inch to 1-3/4 inch doors.
7) Do I need to specify handing when I order the 5408LN?
No. The 5408LN is non-handed, and the strike ships with a reversible lip, so one part number covers left and right hand openings. That makes it simple to stock a single SKU across a building and pull from the shelf for whichever door failed.
8) What cylinder and keying comes with the Accentra 5408LN?
It ships with a brass 6-pin keyed-random cylinder and two keys. A 7-pin cylinder is available to order, and other cylinder and keying arrangements can be specified if you are keying the lock into an existing master system rather than taking it keyed random.
9) How is the 5408LN different from the Dexter C1000 classroom lever?
Both are Grade 1 classroom cylindrical levers. The split is door thickness: the Accentra 5408LN covers 1-3/4 to 2-1/4 inches, while the Dexter C1000 classroom lock is listed for 1-3/8 to 1-3/4 inches. Thin doors go to the Dexter, thick doors to the Accentra. If you need classroom security function (key locking from inside as well), the Dexter C1000 Classroom Security version is the one to look at.
10) I need matching passage and storeroom levers for the rest of the corridor. What pairs with a Grade 1 classroom lock?
Within Grade 1 cylindrical levers, the Corbin Russwin CL3110 covers passage/closet openings and is fire rated, and the Falcon K101 is a Grade 1 heavy duty passage lock spanning 1-3/8 to 2-1/4 inch doors. For an electrified opening on the same corridor, the Corbin Russwin CL33903 is a Grade 1 fail safe lever at 12VAC/DC. Trim appearance will not match the Monroe lever across brands, so if visual consistency matters, keep the whole run in the Accentra 5400 Series and change only the function.
11) Is a Grade 2 lever good enough for a school corridor, or do I need Grade 1 like the 5408LN?
For classroom and corridor doors in a school, Grade 1 is what specs normally call for; it is the highest ANSI/BHMA A156.2 cycle and strength tier and the 5408LN's chassis is heavy-gauge steel, zinc plated and dichromated for it. Grade 2 levers such as the Hager 2580 storeroom or Cal-Royal AG03 classroom are built for lighter commercial traffic, offices and light-use interior doors. Putting a Grade 2 on a high-traffic classroom is the usual reason these get replaced early.
12) Can I put a keypad lever on a classroom door instead of the keyed Accentra 5408LN?
Only if the opening does not need a rated keyed classroom lock. Mechanical keypad options include the Lockey 2835 with passage function for 1-3/16 inch to 2 inch doors and the Lockey 1150 heavy duty keypad lever set for 1-1/8 inch to 2 inch doors, both code-entry rather than key-entry. The Accentra 5408LN is a Grade 1 classroom lockset with a brass 6-pin cylinder, two keys furnished, and UL/cUL fire rating up to 3 hours, so it is the choice where a master key system and a rated door are in play.
13) If the opening does not need to be keyed, what Grade 1 lever goes with the Accentra 5408LN on adjacent doors?
For non-keyed openings in the same building, the Falcon K101 is a Grade 1 heavy-duty passage cylindrical lock with non-handed levers, fire rated, and adjustable for 1-3/8 inch to 2-1/4 inch doors - the same 2-1/4 inch top end as the Accentra 5408LN. The Corbin Russwin CL3110 is another Grade 1 fire-rated passage option, listed for 1-3/4 inch to 2 inch doors. Both are non-keyed, so they suit corridors and closets rather than the keyed classroom function the 5408LN provides.
14) Will a Baldwin Estate 5103 lever work as a substitute for the Accentra 5408LN on a school door?
No. The Baldwin Estate 5103 with 5048 rose is offered in passage, privacy, and half dummy functions - none of them a keyed classroom function, and the half dummy versions are handed left or right with no latch at all. The Accentra 5408LN is a non-handed Grade 1 classroom cylindrical lockset with a guardbolt-deadlocked stainless latchbolt and UL/cUL fire rating up to 3 hours, which is what a rated school opening requires.
15) What should I use instead of the Accentra 5408LN for a storeroom or utility door in the same facility?
Storeroom function keeps the outside lever locked at all times, which classroom function does not. The Cal-Royal AG05 is a Grade 2 storeroom lever lockset with a deadlocking latchbolt for 1-3/8 inch to 1-3/4 inch doors, and the Hager 2580 is a Grade 2 storeroom cylindrical lock with the Withnell lever for 1-3/8 inch to 2 inch doors. The Accentra 5408LN stays on the classroom openings, where the outside lever is unlocked by key and remains free until relocked.
16) I need an electrified lever on one classroom door and mechanical on the rest - what pairs with the Accentra 5408LN?
The Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever lock in 12VAC/DC for 1-3/4 inch to 2 inch doors, which covers the access-controlled opening. Keep the Accentra 5408LN Grade 1 classroom lever on the mechanical doors; it adjusts from 1-3/4 inch to 2-1/4 inch and uses a 2-3/4 inch standard backset, so the bored prep is consistent across the run.
17) For a behavioral health or utility room, is the Accentra 5408LN classroom lock the correct function?
No - those rooms usually call for asylum function, keyed on both sides. The Dexter C1000 Series asylum (F87) is a Grade 1 cylindrical lock for 1-3/8 inch to 2 inch doors, and the Arrow MK33-BD-CS is a Grade 2 heavy duty asylum lock with a ball knob and conventional Schlage C keyway cylinder. The Accentra 5408LN is keyed outside with a free inside lever, which is classroom function.
18) What finishes does the 5408LN Monroe lever come in?
Nine orderable finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 613E dark oxidized satin bronze equivalent, 619 satin nickel, 625 bright chrome, 626 satin chrome, plus BSP black suede and WSP white suede powder coat. PVD is standard on 605 and 606, so those hold up better to hand traffic and cleaning chemicals than a lacquered brass. The lever design is Monroe.
19) Is a dummy lever trim an alternative to the Accentra 5408LN on an inactive leaf?
For an inactive leaf you want trim only, not a lockset. The BEST 9K Series 1DT single dummy trim is a Grade 1 heavy duty non-keyed cylindrical lever dummy, and the 7KC Series 1DT is the Grade 2 medium duty version. Neither latches or locks. The Accentra 5408LN is a functioning Grade 1 classroom lockset with a 1/2 inch stainless steel latchbolt throw and guardbolt, for the active leaf.
How fast can I get the Accentra MO-5408LN-626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Accentra MO-5408LN-626 come with a warranty?
Absolutely. The Accentra MO-5408LN-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 Accentra MO-5408LN-626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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