Accentra 5429LN Grade 1 Commun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$827.00
$640.97
Yale Commercial Yale 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock Monroe Trim Design YAL-MO-5429LN

Accentra 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock with Monroe Trim Design

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Model: MO-5429LN-626
From the 5400 Series Collection
Selected Finish is

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

$827.00
$640.97
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Accentra 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock with Monroe Trim Design

Heavy-Duty Commercial Grade Cylindrical Lockset

The Accentra 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock delivers professional-grade security and reliability for demanding 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 highest industry standards for commercial door hardware.

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, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or 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
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Retail Establishments

Why Choose Accentra Quality?

Accentra cylindrical lever locks deliver professional-grade reliability with heavy-gauge steel construction and Grade 1 certification for demanding commercial applications. The 7-year mechanical warranty and UL/cUL fire rating up to 3 hours demonstrate the exceptional quality and performance standards. Engineered for high-traffic environments where dependable access control and security 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
Product Attribute:
Cylindrical Locks
Product Model:
YAL-5429LN
Collection:
5400 Series
Lever Design Name:
Monroe Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra MO-5429LN-626 – Frequently Asked Questions

1) What backset does the 5429LN come with, and can it work on a 5-inch backset door prep?
Standard backset is 2-3/4 inches. For deeper preps, extension links for 3-3/4 inch or 5 inch backsets are available to order, so an existing wide-stile or aluminum-frame prep can be matched. You have to specify the extension when you order; it does not ship with the standard lock.
2) Will the 5429LN latch into my existing strike?
The standard latchbolt throws 1/2 inch in stainless steel, with a 3/4 inch throw available to order if your frame has a deeper strike pocket or a gap. The lock ships with a 1-1/4 inch curved lip strike sized for a 1-3/4 inch door, and other lip lengths can be ordered when the frame reveal needs it. All strikes are reversible.
3) What does the communicating classroom function on the 5429LN actually do?
It is a keyed classroom-type function on a cylindrical chassis with a lever on each side, intended for openings between two occupied spaces where either room needs controlled access. The key controls the outside lever; the guardbolt deadlocks the latchbolt whenever the door is closed, which is standard on all locking functions in the 5400 Series. If you want the more common single-room classroom lock instead, the Dexter C1000 classroom function is the comparable Grade 1 option.
4) Do I need to order the 5429LN handed?
No. The 5429LN is non-handed and fully reversible, including the strike, so one part number covers both left and right hand openings. That matters for a property manager stocking spares across a building.
5) Can the 5429LN go on a fire-rated classroom door?
Yes. The 5400LN Series carries UL/cUL fire ratings up to 3 hours and is certified to ANSI/BHMA A156.2 Series 4000 Grade 1. It is also windstorm certified, subject to your local code review, which is worth knowing for schools in coastal jurisdictions.
6) What cylinder and keying comes with the Accentra 5429LN, and can I key it into my building's system?
It ships with a brass 6-pin keyed-random cylinder and two keys. A 7-pin cylinder is available to order, along with other cylinder and keying options, so it can be brought into an existing master key system rather than left keyed random. Specify the keying at order time; the stock configuration is not keyed alike.
7) I need a Grade 1 lever that fits thinner 1-3/8 inch doors. Is the 5429LN the right choice?
No. The 5429LN starts at 1-3/4 inch thickness. For a 1-3/8 inch door in Grade 1, the Falcon K101 covers 1-3/8 inch to 2-1/4 inch, and the Dexter C1000 series runs 1-3/8 inch to 1-3/4 inch. Both are cylindrical lever locks, so the door prep concept is the same.
8) My door is 2-1/4 inches thick - which cylindrical lever locks actually fit besides the Accentra 5429LN?
The Accentra 5429LN adjusts from 1-3/4 inch to 2-1/4 inch. Among cylindrical lever peers, the Falcon K101 Grade 1 passage lock covers 1-3/8 inch to 2-1/4 inch. Most others stop short: Corbin Russwin CL3110 and CL33903 run 1-3/4 inch to 2 inch, Hager 2510 and 2525 run 1-3/8 inch to 2 inch, and Dexter C1000 classroom runs 1-3/8 inch to 1-3/4 inch.
9) What is the closest Grade 1 classroom-function cylindrical lever lock to the Accentra 5429LN from another brand?
The Dexter C1000 Series classroom lever lock is the nearest peer: it is a Grade 1 cylindrical lever lock with classroom function, keyed, with clutching levers, and fits doors 1-3/8 inch to 1-3/4 inch thick. The Accentra 5429LN is Grade 1 as well but is a communicating classroom function and adjusts from 1-3/4 inch to 2-1/4 inch door thickness, so it covers the thicker doors the Dexter does not.
10) If a classroom door needs the outside lever lockable from inside instead of by key, what should I look at instead of the Accentra 5429LN?
Look at the Dexter C1000 classroom security lever lock, a Grade 1 cylindrical lever in classroom security function for doors 1-3/8 inch to 1-3/4 inch thick. Classroom security lets the opening be secured from a different point than a standard classroom key-outside arrangement. The Accentra 5429LN is a communicating classroom function on a Grade 1 cylindrical chassis with a 2-3/4 inch standard backset.
11) What looks like a substitute for the Accentra 5429LN but will not actually secure the door?
Dummy trim is the common mistake. The BEST 9K Series 1DT is a Grade 1 non-keyed single dummy trim cylindrical lever, and the BEST 7KC Series 1DT is the Grade 2 medium duty equivalent - both are surface trim with no latch, so they cannot lock or latch anything. Baldwin Estate 5103 half dummy levers are handed left or right and likewise have no latching mechanism. The Accentra 5429LN is a working Grade 1 cylindrical lockset with a 1/2 inch stainless steel latchbolt throw and a guardbolt that deadlocks the latchbolt when the door is closed.
12) What should I use instead of the Accentra 5429LN if the opening needs to release on a fire alarm signal?
That calls for an electrified lever rather than a mechanical one. The Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever lock at 12VAC/DC, offered with the NZ lever and D rose, for doors 1-3/4 inch to 2 inch. The Accentra 5429LN is an entirely mechanical Grade 1 cylindrical lockset with a brass 6-pin keyed cylinder and no electrical provision.
13) What finishes does the Accentra 5429LN Monroe lever come in?
Nine finishes are orderable: 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 on exterior or high-wear openings. 626 satin chrome is the usual match for existing commercial hardware.
14) What front does the 5429LN use, and will it drop into a beveled door edge prep?
Standard front is a 2-1/4 x 1-1/8 inch beveled front, which suits the common beveled edge on a commercial door. Flat fronts are available to order if your existing prep was cut for one. Lead shielding is also an option, which is what you order for x-ray rooms in healthcare work.
15) How does the 5429LN compare to a Grade 2 lever lock for a school corridor?
Grade 1 is the top ANSI/BHMA cylindrical rating and is what you want on classroom and corridor doors that cycle all day; the 5429LN uses a heavy-gauge steel, zinc-plated and dichromated mechanism. Grade 2 levers like the Hager 2525 entry or Falcon B511CP6D entry/office are built for lighter traffic such as private offices or tenant interiors. Grade 3 sets, for example the Cal-Royal AUS00, are lighter still and belong on residential-level openings.
16) Can I standardize a building on the 5400LN Series with different functions on different doors?
Yes, that is the usual approach. The 5429LN is the communicating classroom function within the 5400 Series of Grade 1 cylindrical lever locks, and the Monroe lever trim carries across the series, so passage, storeroom and classroom openings can share the same lever design and finish while the chassis function changes by door. Keying and cylinder options are specified per order, so the whole group can go on one key system.
17) Is the 5429LN an electrified lock?
No, it is a mechanical cylindrical lever lock. If the opening needs access control tied to a card reader or fire alarm, look at an electrified cylindrical lever such as the Corbin Russwin CL33903 fail safe, 12VAC/DC, which fits 1-3/4 to 2 inch doors.
18) I need a keyed lock but not classroom function - what are the alternatives to the Accentra 5429LN?
For a secured door that stays locked outside and free egress inside, the Hager 2580 is a Grade 2 storeroom cylindrical lock with the Withnell lever for doors 1-3/8 inch to 2 inch, and 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. For an office door that can be left unlocked, the Falcon B511CP6D is a Grade 2 entry/office cylindrical lever. The Accentra 5429LN is the communicating classroom function on a Grade 1 chassis.
19) What Grade 1 lever lock pairs with the Accentra 5429LN on the non-keyed doors of the same corridor?
For non-keyed openings held to the same Grade 1 class, the Falcon K101 is a Grade 1 heavy duty passage cylindrical lock with non-handed levers, fire rated, for doors 1-3/8 inch to 2-1/4 inch - the same upper thickness the Accentra 5429LN reaches. Corbin Russwin CL3110 is a Grade 1 vandal resistant passage lever, fire rated, for 1-3/4 inch to 2 inch doors, and Design Hardware X75 is a Grade 1 passage lever for 1-3/4 inch doors. The 5429LN itself is non-handed and UL/cUL fire rated up to 3 hours.
20) Can I use a keypad lever lock in place of the Accentra 5429LN on a classroom door?
A keypad lever changes how the door is operated, not just the brand. The Lockey 2835 mechanical pushbutton keyless lever lock is a passage function unit for doors 1-3/16 inch to 2 inch, and the Delaney LP250 electronic keypad leverlock is Grade 2. Neither is a keyed classroom function, so they will not reproduce the key-controlled outside lever of the Accentra 5429LN, which is a Grade 1 communicating classroom lock with a brass 6-pin cylinder and two keys furnished.
21) Will a residential-grade lever like the Kwikset Breton work where the Accentra 5429LN is specified?
They are built to different classes. The Kwikset 200BRNL Breton is a Grade 3 passage lever for doors 1-3/8 inch to 1-3/4 inch, and the 300BRNL Breton is the Grade 3 privacy version over the same thickness range; the Master Lock RL Series return-style keyed entry lever is also Grade 3. The Accentra 5429LN is ANSI/BHMA A156.2 Series 4000 Grade 1, UL/cUL fire rated up to 3 hours, and windstorm certified, which is what a specified classroom or institutional opening is usually calling for.
22) For a patient room or detention-type door, is the Accentra 5429LN the right choice or should I look at an asylum function?
Asylum function is the one to look at for those openings: the Dexter C1000 Series F87 asylum lock is Grade 1 for doors 1-3/8 inch to 2 inch, and the Arrow MK33-BD-CS is a heavy duty Grade 2 asylum lock with a ball knob and a conventional Schlage C keyway cylinder. The Accentra 5429LN is a communicating classroom lever, a different function intended for classroom and connecting-room use, on a Grade 1 chassis rated UL/cUL up to 3 hours.
How fast can I get the Accentra MO-5429LN-626 delivered?
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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-5429LN-626 come with a warranty?
Absolutely. The Accentra MO-5429LN-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-5429LN-626?
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