Accentra 5418LN Augusta Heavy ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,031.75
$600.31
Yale Commercial Yale 5418LN Augusta Heavy Duty Grade 1 Intruder Classroom Security Cylindrical Lever Lock YAL-AU-5418LN

Accentra 5418LN Augusta Heavy Duty Grade 1 Classroom Security Cylindrical Lever Lock

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Model: AU-5418LN-626
From the 5400 Series Collection
Selected Finish is

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

$1,031.75
$600.31
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Accentra 5418LN Augusta Heavy Duty Grade 1 Classroom Security Cylindrical Lever Lock

Professional Grade 1 Classroom Security Solution

The Accentra 5418LN Augusta lever lock delivers heavy-duty Grade 1 performance for classroom security applications. This cylindrical lockset features a robust steel mechanism with zinc-plated dichromated finish, adjustable door thickness from 1-3/4" to 2-1/4", and 2-3/4" standard backset. UL/cUL fire-rated up to 3 hours and ANSI/BHMA A156.2 Series 4000 Grade 1 certified for demanding commercial environments.

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 Classrooms
  • 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 Grade 1 certification for demanding commercial applications. With 7-year mechanical warranty coverage and UL/cUL fire-rating up to 3 hours, this lockset provides the dependable performance essential for classroom security and commercial access control needs.

Product Specs

Series:
5400 Series
Subcategory:
Lever Locksets
Grade:
Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed Function:
Double Cylinder
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Keyed:
Yes
Handle Type:
Lever
Lock Function:
Classroom Security
Product Attribute:
Cylindrical Locks
Product Model:
YAL-5418LN
Collection:
5400 Series
Product Function:
Classroom Security
Lever Design Name:
Augusta Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra AU-5418LN-626 – Frequently Asked Questions

1) What does the classroom security function on the Accentra 5418LN actually do, and why would a school pick it over a standard classroom lock?
Classroom security means the lock is keyed on both sides. A teacher can lock or unlock the outside lever with a key from inside the room without opening the door and stepping into the corridor. A standard classroom lock is keyed outside only, so someone has to open the door to secure it. That inside-key operation is why districts specify the 5418LN for lockdown compliance. The outside lever is locked or unlocked by key from either side; the inside lever always retracts the latch for free egress.
2) Will the Accentra 5418LN fit a 2-inch thick door?
Yes. The 5418LN is adjustable from 1-3/4 inches up to 2-1/4 inches, so a 2 inch door is inside the range with no extra parts. That upper end is wider than most cylindrical locks handle, which makes it useful on thick institutional or lead-lined doors. What it will not do is drop onto a 1-3/8 inch door. For that thickness you would want something like the Dexter C1000 classroom security lock, which is rated 1-3/8 to 1-3/4 inches.
3) Will the Accentra 5418LN latch into my existing ANSI strike?
Standard latch throw is 1/2 inch stainless steel, with a 3/4 inch throw available to order. The strike supplied is a 1-1/4 inch curved lip sized for a 1-3/4 inch door, and other lip lengths can be ordered if your frame sits deeper or the door is thicker. All strikes are reversible. If your frame has a deep reveal or you are replacing a lock that used a 3/4 inch latch, order the 3/4 inch throw so the bolt fully engages.
4) What cylinder and keying comes with the Accentra 5418LN, and can I put it on my building master key system?
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 at the time of order, which is how you get it keyed alike or mastered into an existing system. Since the function is keyed both sides, you are keying two cylinders per lock, so account for that in your key count.
5) What is the difference between the Accentra 5418LN and the Dexter C1000 classroom security lock?
Both are Grade 1 cylindrical classroom security locks. The practical split is door thickness and options: the 5418LN covers 1-3/4 to 2-1/4 inches and can be ordered with extended backsets, a 3/4 inch throw, flat fronts and lead shielding. The Dexter C1000 classroom security model is listed for 1-3/8 to 1-3/4 inch doors and uses a clutching lever, which spins free when locked so force on the handle does not transmit to the mechanism. Thin doors point to the Dexter; thick or lead-lined doors point to the 5418LN.
6) What is the closest equivalent to the Accentra 5418LN Augusta classroom security lever from another brand?
The Dexter C1000 Series classroom security lever lock (DEX-C1000-CSEC) is the closest match in function and grade. Both are Grade 1 keyed cylindrical lever locks with a classroom security function, meaning the lock can be locked and unlocked from either side by key. The Dexter uses a clutching lever and fits doors 1-3/8 inch to 1-3/4 inch thick, while the Accentra 5418LN adjusts from 1-3/4 inch to 2-1/4 inch, so on a thick door the 5418LN is the one that fits.
7) Do I need to specify handing when ordering the Accentra 5418LN Augusta lever?
No. The 5418LN is non-handed and field reversible, so one part number covers left and right hand openings. That matters for a property manager stocking spares: one lock on the shelf fits any door in the building. The strike is reversible too.
8) What finishes does the Accentra 5418LN Augusta lever come in, and which ones hold up best in a school corridor?
Nine finishes are offered: 605 bright brass, 606 satin brass, 612 satin bronze, 613E dark oxidized satin bronze, 619 satin nickel, 625 bright chrome, 626 satin chrome, plus black and white suede powder coat. PVD is standard on 605 and 606, and PVD lifetime finish is offered for 613. PVD resists tarnish and wear better than plated brass, so for high-traffic corridors the PVD brass options or 626 satin chrome are the usual picks.
9) Does the Accentra 5418LN have a deadlocking latch to stop the door being carded?
Yes. A guardbolt deadlocks the latchbolt whenever the door is closed, and it is standard on all locking functions in the 5400LN line. That blocks loiding the latch with a card or shim, which is the point of using this on an exterior-facing or corridor classroom door.
10) I need a lead-lined door in an imaging suite. Can this lock be ordered with lead shielding?
Yes, lead shielding is available to order on the 5400LN. Combined with the 2-1/4 inch maximum door thickness, that covers the thicker lead-lined doors typical of radiology and imaging rooms. Flat fronts are also available if the door prep calls for them instead of the standard 2-1/4 x 1-1/8 inch beveled front.
11) I only need the door locked from the outside with a key, not from inside the room. Is the 5418LN overkill?
Probably, yes. The 5418LN is a double cylinder classroom security lock, so you are paying for and keying a second cylinder on the room side. If you just need the corridor side key-locked, a storeroom or standard classroom function is the cheaper fit. The Cal-Royal AG05 is a Grade 2 storeroom lever with a deadlocking latchbolt, and the Dexter C1000 classroom function is the Grade 1 option at 1-3/8 to 1-3/4 inch doors.
12) Can a Cal-Royal AG03 classroom lever be substituted for an Accentra 5418LN on a fire-rated door?
They are not interchangeable on that basis. The Accentra 5418LN Augusta is UL/cUL fire rated up to 3 hours and windstorm certified, and it is a classroom security function keyed on both sides. The Cal-Royal AG03 is a Grade 2 classroom lever with a 6-pin Schlage C keyway and a 2-3/4 inch backset, keyed from the outside. The backset matches the 5418LN's 2-3/4 inch standard, but the function and the rating do not.
13) If the opening does not need to be keyed, what is the alternative to the Accentra 5418LN?
For an unkeyed opening in the same heavy duty class, look at the Falcon K101 Grade 1 passage cylindrical lock, which is non-handed, fire rated, and fits doors 1-3/8 inch to 2-1/4 inch, or the Corbin Russwin CL3110 Grade 1 vandal resistant passage lever for doors 1-3/4 inch to 2 inch. Both are latch-only passage sets with no cylinder. The Accentra 5418LN Augusta carries a keyed classroom security function, so it is the choice only where the door has to lock.
14) Is there a Grade 2 lever lock that can be used instead of the Accentra 5418LN on a lighter-traffic door?
The Cal-Royal AG05 Grade 2 storeroom lever with deadlocking latchbolt and the Hager 2580 Grade 2 storeroom lever with Withnell lever both cover doors that stay locked and are released by key from outside, on doors 1-3/8 inch to 1-3/4 inch and 1-3/8 inch to 2 inch respectively. Neither carries the classroom security function of the Accentra 5418LN Augusta, which is keyed from both sides, and both are Grade 2 rather than the 5418LN's ANSI/BHMA A156.2 Series 4000 Grade 1.
15) What should I use if the room needs a lock that cannot be opened from the inside, rather than the Accentra 5418LN?
That is an asylum or institutional function, keyed on both sides with no free inside egress. The Dexter C1000 asylum lock (F87) is Grade 1 and fits doors 1-3/8 inch to 2 inch, and the Arrow MK33-BD-CS is a heavy duty asylum cylindrical lock with a ball knob and a Schlage C keyway. The Accentra 5418LN Augusta is a classroom security lever, which keeps the inside lever free for egress at all times.
16) Is a keypad lever lock a substitute for the Accentra 5418LN in a school?
They solve different problems. Keyless sets such as the Lockey 1150 heavy duty mechanical keypad lever and the Lockey 2835DC double combination keyless lever are passage function, and the Delaney LP250 electronic keypad leverlock is Grade 2. The Accentra 5418LN Augusta is a mechanical Grade 1 classroom security lock keyed on both sides, so staff lock it with a key rather than a code and the same key system covers the rest of the building.
17) What matches the Accentra 5418LN on a classroom door that needs to release on a fire alarm?
For an electrified opening, the Corbin Russwin CL33903 fail safe lever is a Grade 1 electrified cylindrical lever running 12VAC/DC on doors 1-3/4 inch to 2 inch, which unlocks when power is cut. The Accentra 5418LN Augusta is purely mechanical and is locked and unlocked by key from either side, so it does not tie into an access control or alarm signal.
18) Can I match the Augusta lever on non-locking doors in the same building?
The 5418LN is the classroom security function in the 5400 Series with the Augusta lever design. To keep a corridor consistent you would order other 5400LN functions, passage or storeroom, in the same Augusta lever and same finish. If you are matching a different manufacturer's line instead, note that lever designs do not cross brands, so a Falcon K101 Grade 1 passage lever will function the same but will not look like the Augusta.
19) What is the mechanism made of on the Accentra 5418LN?
Heavy-gauge steel, zinc plated and dichromated for corrosion resistance. That is the chassis construction behind the Grade 1 A156.2 Series 4000 rating, and it is what separates it from Grade 2 and Grade 3 levers used on light commercial and residential openings.
20) I need matching trim on a non-latching door beside the classroom - what goes with an Accentra 5418LN?
A dummy trim is the usual companion for a door leaf that does not latch. The BEST 9K Series 1DT single dummy trim is a Grade 1 heavy duty non-keyed cylindrical lever trim, and the BEST 7KC Series 1DT is the medium duty Grade 2 equivalent. Neither latches or locks; they provide a pull only, while the Accentra 5418LN Augusta carries the keyed classroom security function on the active door.
How fast can I get the Accentra AU-5418LN-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 AU-5418LN-626 come with a warranty?
Absolutely. The Accentra AU-5418LN-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-5418LN-626?
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