Accentra 5429LN Grade 1 Commun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$930.93
$528.05
Yale Commercial Yale 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock Augusta Trim Design YAL-AU-5429LN

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

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Model: AU-5429LN-626
From the 5400 Series Collection
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$930.93
$528.05
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Accentra 5429LN Grade 1 Communicating Classroom Cylindrical Lever Lock with Augusta Trim Design

Heavy-Duty Commercial Grade Cylindrical Lockset

The Accentra 5429LN delivers Grade 1 performance for demanding commercial applications with adjustable door thickness from 1-3/4" to 2-1/4" and 2-3/4" standard backset. This heavy-duty cylindrical lockset features a 1/2" stainless steel latchbolt throw, zinc-plated dichromated steel mechanism, and UL/cUL fire rating up to 3 hours. ANSI/BHMA A156.2 Series 4000 Grade 1 certified with ADA compliance for reliable classroom security applications.

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 for proper cylindrical lockset installation.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for the 2-1/4" x 1-1/8" beveled front.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications, ensuring proper alignment of the heavy-gauge steel mechanism.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion, verifying guardbolt deadlocking function.
  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 zinc-plated dichromated finish rated for Grade 1 commercial performance. The 7-year mechanical warranty and UL/cUL fire rating up to 3 hours demonstrate the quality engineering behind this lockset. Engineered for demanding commercial applications where dependable access control and security performance 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
Product Function:
Classroom
Lever Design Name:
Augusta Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra AU-5429LN-626 – Frequently Asked Questions

1) Will the Accentra 5429LN classroom lever fit a 2-inch thick door?
Yes. The 5429LN cylindrical lever lock adjusts across a door thickness range of 1-3/4 inches to 2-1/4 inches, so 2-inch doors are inside its range with no special order. That upper end is wider than most cylindrical locksets reach, which matters on thicker fire-rated or institutional doors. What it will not do is go thinner than 1-3/4 inches, so on a 1-3/8 inch older interior door you need a different lock; the Dexter C1000 Series classroom lever covers 1-3/8 to 1-3/4 inches instead.
2) What does the classroom function on the Accentra 5429LN actually do at the door?
Classroom function means the outside lever is locked and unlocked only by key from the outside; the inside lever always retracts the latch for free egress. There is no inside button or thumbturn, which is the point in a school, because a student cannot lock the room and staff control it with the key. The 5429LN is the communicating classroom version in the 5400 Series. If you want the teacher to be able to lock the door from inside the room during a lockdown, classroom function is the wrong choice and you want a classroom security lock, such as the Dexter C1000 Series Classroom Security lever.
3) Will the Accentra 5429LN latch into the strike that is already in my frame?
Standard build is a 1/2 inch stainless steel latchbolt throw with a 1-1/4 inch curved lip strike sized for a 1-3/4 inch door, and all strikes are reversible. If your existing frame prep uses a deeper pocket or your gap is wide, a 3/4 inch throw is available to order, and other lip lengths can be ordered to reach across a thicker door or an offset frame. Measure the lip length you have now before you assume the standard strike drops in.
4) Do I have to specify handing when I order an Accentra 5429LN lever lock?
No. The 5429LN is non-handed, so one lock covers left and right hand openings and the strike is reversible as well. For a property manager stocking spares across a building, that means one part number on the shelf instead of two, and no wrong-hand returns.
5) My door has a 3-3/4 inch backset. Does the 5429LN come in anything other than 2-3/4?
Standard backset on the 5429LN is 2-3/4 inches, which is the usual commercial spacing. For a wide-stile or unusual prep, extension links for 3-3/4 inch and 5 inch backsets are available to order. Those are order-time options, not something you add later, so call the backset out on the purchase order.
6) Is the Accentra 5429LN the same lock as the Yale 5429LN we have on our other doors?
Yes, same lock. Accentra is the ASSA ABLOY brand name that carries the former Yale commercial 5400LN Series line, and the 5429LN model designation is unchanged. If your building was specced on Yale 5429LN, the Accentra 5429LN is the direct continuation for adding doors or replacing a failed unit, with the same Augusta lever trim available.
7) What is the closest Grade 1 classroom cylindrical lever lock to the Accentra 5429LN from another manufacturer?
The Dexter C1000 Series classroom cylindrical lever lock is the nearest equivalent - it is a Grade 1 classroom-function cylindrical lever lock, keyed, with a clutching lever. The difference that matters at the opening is door thickness: the Dexter C1000 classroom lock covers 1-3/8 inch to 1-3/4 inch doors, while the Accentra 5429LN adjusts from 1-3/4 inch to 2-1/4 inch. On a thick door of 2 inches or more the 5429LN is the one that fits; on a 1-3/8 inch door the Dexter is the one that fits.
8) Is there a Grade 2 classroom lever lock instead of the Accentra 5429LN for a lighter-traffic door?
The Cal-Royal AG03 classroom lever is a Grade 2 classroom lock with a 6-pin Schlage C keyway keyed different and a 2-3/4 inch backset. It shares the 2-3/4 inch backset with the Accentra 5429LN, so the door prep carries over. The 5429LN is certified to ANSI/BHMA A156.2 Series 4000 Grade 1 and carries a UL/cUL fire rating up to 3 hours; if the door schedule calls for Grade 1 or a labeled opening, the AG03 is not a drop-in for that requirement. The AG03 also arrives on a Schlage C keyway, where the 5429LN ships with a brass 6-pin keyed-random cylinder unless you specify keying.
9) What should I use instead of the Accentra 5429LN if the classroom needs to be lockable from inside the room?
That is a classroom security function, and the Dexter C1000 Series classroom security cylindrical lever lock covers it - Grade 1, keyed, clutching lever, for doors 1-3/8 inch to 1-3/4 inch. The Accentra 5429LN is a classroom function lock, keyed from the outside cylinder, so a teacher cannot secure the door from within the room. Specify the classroom security function when the lockdown procedure requires locking from the inside.
10) What lever locks look like the Accentra 5429LN but will not work on a commercial classroom door?
Watch for residential-grade and non-latching trim. The Kwikset 200BRNL Breton is a Grade 3 passage lever for 1-3/8 inch to 1-3/4 inch doors, and the Callan Asheville is a Grade 3 passage leverset - both are passage function, so neither locks, and neither meets a Grade 1 spec. The Baldwin Estate 5103 half dummy is dummy function, meaning a fixed lever with no latch at all. The Accentra 5429LN is a keyed classroom lock certified to ANSI/BHMA A156.2 Series 4000 Grade 1 with a UL/cUL fire rating up to 3 hours - a labeled classroom opening needs that, not passage or dummy trim.
11) How does the Accentra 5429LN come keyed, and can I get it on my existing keyway?
Standard is a brass 6-pin, keyed-random cylinder with two keys furnished. A 7-pin cylinder is available to order, and other cylinder and keying options are listed in the series catalog. Keyed random means each lock arrives on its own key, so if you are standardizing a school or a building on one master system, specify the keying at order time rather than taking stock.
12) What finishes does the Accentra 5429LN Augusta lever come in, and which ones hold up outdoors?
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 powder coat and WSP white suede powder coat. PVD is standard on 605 and 606, and PVD lifetime finish is offered for 613. PVD is the one to ask for where the lever sees weather or heavy hand traffic, because it resists tarnish rather than relying on lacquer. 626 satin chrome is the default on most commercial school specs.
13) Grade 1 vs Grade 2 cylindrical lever lock for a school corridor, does it matter?
On a classroom or corridor door cycled dozens of times a day, yes. The 5429LN is Grade 1 with a heavy-gauge steel, zinc-plated dichromated mechanism, which is the cycle and strength tier written into most institutional specs. Grade 2 levers like the Cal-Royal AG03 classroom lever or the Hager 2580 storeroom lever are built for lighter commercial traffic and cost less to put on a door. Use Grade 2 on offices and back-of-house; keep Grade 1 on the openings the whole building walks through.
14) What is the door face prep for the Accentra 5429LN front?
The 5429LN ships with a 2-1/4 inch by 1-1/8 inch beveled front as standard. Flat fronts are available to order, which is what you want when the lock is going into a flat-edge door or a frame condition where a bevel will not sit flush. Lead shielding is also an order option, which is the version to specify for an X-ray room in a healthcare facility.
15) I need a Grade 1 cylindrical lever but in passage or storeroom function, not classroom. What else is there?
The 5429LN is the classroom function of the 5400 Series, so for other functions on the same opening type look across brands. For non-keyed passage in Grade 1 there is the Falcon K101, which covers 1-3/8 to 2-1/4 inch doors and is fire rated, or the Corbin Russwin CL3110 passage/closet from the CL3100 Series, fire rated for 1-3/4 to 2 inch doors. For an electrified opening on an access control system, the Corbin Russwin CL33903 fail safe lever runs 12VAC/DC on 1-3/4 to 2 inch doors. Matching the lever design across those brands is not possible, so if trim appearance has to match down a corridor, stay within one series.
16) Does a cylindrical lever like the 5429LN work where I would otherwise put a mortise lock?
For most classroom and corridor doors, yes. A cylindrical lock like the 5429LN bores through the door face and edge, which is a faster prep and a cheaper repair than a mortise pocket, and at Grade 1 it meets the same institutional durability tier. Go to a mortise instead when you need a deadbolt and latch in one case, or when the existing doors are already prepped for a mortise pocket, because filling that pocket to accept a bored lock is not a field fix.
17) Can I use a storeroom lever in place of the Accentra 5429LN classroom lock?
They behave differently at the door. The Cal-Royal AG05 is a Grade 2 storeroom lever lockset with a deadlocking latchbolt, for doors 1-3/8 inch to 1-3/4 inch - a storeroom lever stays locked outside at all times and the key retracts the latch for entry. The Accentra 5429LN is a classroom function on 1-3/4 inch to 2-1/4 inch doors, where the key sets whether the outside lever is locked or free. For a classroom that is unlocked during the school day, the classroom function is what the schedule usually calls for; a storeroom lever will leave the door locked to students without a key.
18) Is the Hager 2580 storeroom lever a substitute for the Accentra 5429LN?
The Hager 2580 with Withnell lever is a Grade 2 storeroom cylindrical lock for doors 1-3/8 inch to 2 inch. Two things separate it from the Accentra 5429LN: function and grade. The 5429LN is a classroom function certified to ANSI/BHMA A156.2 Series 4000 Grade 1, and it adjusts up to 2-1/4 inch thick. Where a facility standard specifies Grade 1 classroom, the 2580 does not meet it; on a 1-3/4 inch storeroom or supply door under a Grade 2 standard it is a legitimate choice.
19) What matches the Accentra 5429LN on the non-locking doors in the same corridor?
For the passage and closet doors that should stay latching but never lock, the Corbin Russwin CL3110 is a Grade 1 vandal resistant cylindrical lever lock, passage and closet function, fire rated, for doors 1-3/4 inch to 2 inch. It holds the same Grade 1 level as the Accentra 5429LN, which is a keyed classroom lock adjustable 1-3/4 inch to 2-1/4 inch, so a corridor can run at one grade with the classroom doors keyed and the utility doors free. Confirm door thickness first - the CL3110 stops at 2 inch.
20) Does an electrified lever like the Corbin Russwin CL33903 replace the Accentra 5429LN on a classroom door?
Only if the opening is being tied to an access control system. The Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever lock running on 12VAC/DC, for doors 1-3/4 inch to 2 inch - it needs power and a door loop or hinge transfer at the frame. The Accentra 5429LN is a mechanical classroom lock with a brass 6-pin cylinder, no wiring, adjustable 1-3/4 inch to 2-1/4 inch. On a door with no power run to it, the 5429LN is the one that installs as-is.
21) Is a keypad lever an alternative to the Accentra 5429LN for a room I do not want to key?
The Lockey 2835 mechanical pushbutton keyless lever lock is a code-entry, ADA compliant lever for doors 1 3/16 inch to 2 inch, with no key and no cylinder to manage. The Accentra 5429LN is a keyed classroom lock on a brass 6-pin cylinder for doors 1-3/4 inch to 2-1/4 inch, and it is ADA compliant as well. Choose by credential: the Lockey suits a room where you would rather hand out a code than a key, the 5429LN suits a room that has to sit on the building's key system.
22) For a patient room or utility closet, is the Accentra 5429LN the right function or should I look at an asylum lock?
An asylum function keys both sides, so the door cannot be opened from inside or outside without a key - the Dexter C1000 Series asylum (F87) is a Grade 1 asylum lock for doors 1-3/8 inch to 2 inch. The Accentra 5429LN is a classroom function, keyed from the outside, with the inside lever always free to exit. For patient areas and utility rooms where controlled egress is specified, the asylum function is the one; for a room that must always allow free exit, the 5429LN is.
23) Can I standardize a whole building on Grade 1 lever locks across different functions alongside the Accentra 5429LN?
Yes, and there are Grade 1 levers for the other functions in the schedule. The Accentra 5429LN covers keyed classroom doors at Grade 1. The Falcon T101 is a Grade 1 heavy duty passage lever, the Corbin Russwin CL3110 is a Grade 1 passage and closet lever, the Dexter C1000 entry/office is a Grade 1 entrance and office lever, and the Dexter C1000 asylum covers institution and utility doors at Grade 1. Match door thickness per opening - the 5429LN adjusts 1-3/4 inch to 2-1/4 inch, while the Dexter entry/office covers 1-3/8 inch to 1-3/4 inch.
24) How does the Accentra 5429LN differ from a Grade 2 entry lever like the Hager 2525?
Function and grade both differ. The Hager 2525 is a Grade 2 commercial cylindrical entry lock with a lever, for doors 1-3/8 inch to 2 inch - an entry function where the inside button or turn controls the outside lever. The Accentra 5429LN is a Grade 1 classroom lock where the outside cylinder alone controls locking, with no inside button that an occupant can set. On a classroom or a door where staff should not be able to change the lock state from inside, that distinction is the whole decision.
25) Which lever do I order for the dummy side of a pair when the active leaf uses the Accentra 5429LN?
A dummy trim is a fixed lever with no latch, used on an inactive leaf or a false door. The BEST 9K Series 1DT single dummy trim cylindrical lever is Grade 1 heavy duty and non-keyed, which keeps the inactive leaf at the same grade level as the Accentra 5429LN carries on the active leaf. The BEST 7KC Series 1DT single dummy trim is the medium duty Grade 2 counterpart. Neither latches or locks - the security stays with the 5429LN on the active door.
26) Is the Design Hardware X75 an option next to the Accentra 5429LN?
The Design Hardware X75 is a Grade 1 passage lever lockset with a flat lever, built for 1-3/4 inch doors. It matches the Accentra 5429LN on grade but not on function - the X75 passes, it does not lock or take a key. The 5429LN is the keyed classroom lock and carries the Augusta lever design, adjustable from 1-3/4 inch to 2-1/4 inch. Pair them where a run of doors needs the same grade and lever look with only some openings keyed.
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Does the Accentra AU-5429LN-626 come with a warranty?
Absolutely. The Accentra AU-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 AU-5429LN-626?
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