Accentra 5421LN Augusta Heavy Duty Grade 1 Communicating Cylindrical Lever Lock
Professional Grade 1 Cylindrical Lockset for Commercial Applications
The Accentra 5421LN Augusta lever lock delivers heavy-duty Grade 1 performance for demanding commercial and industrial applications. This communicating cylindrical lockset features a 2-3/4" standard backset with adjustable door thickness from 1-3/4" to 2-1/4", accommodating a wide range of door configurations. Built with heavy-gauge steel mechanism and 1/2" stainless steel latchbolt throw, this ANSI/BHMA Grade 1 certified lockset provides reliable access control with UL/cUL fire rating up to 3 hours.
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
- 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.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 2-1/4" x 1-1/8" beveled front.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for cylindrical lockset installation.
- 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.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion, verifying guardbolt deadlocking function.
- 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
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Industrial and Manufacturing Facilities
- Government and Municipal Buildings
- 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 quality and performance standards built into every lockset. Engineered for industrial and commercial use where dependable access control and long-term durability are essential.
Manufacturer Resources
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:
- Communicating
- Product Attribute:
- Cylindrical Locks
- Product Model:
- YAL-5421LN
- Collection:
- 5400 Series
- Product Function:
- Communicating
- Lever Design Name:
- Augusta Lever
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware