Corbin Russwin Grade 1 Storeroom Newport Cylindrical Lever, 6/7-Pin Prep with Disposable Plastic Core, (Less Core), 2-3/4in Backset, ANSI Strike SA114

Corbin Russwin CLX3357-NZD-626-CT6D Grade 1 Storeroom Newport Cylindrical Leverset with Status Indicators, 2-3/4in Backset, LFIC 6-Pin, Less Core

Commercial-Grade Cylindrical Lock with Visual Status Indicators for Enhanced Security and Privacy

The Corbin Russwin CLX3300 Series Grade 1 Storeroom Newport Cylindrical Leverset delivers style, security, and enhanced privacy for both new construction and retrofit projects. Featuring six customizable indicator windows that provide instant visibility of the door's lock status on the inside, outside, or both sides of the door, this leverset is engineered for high-traffic commercial environments. Designed for doors with a 2-3/4" (70mm) backset and a standard door thickness of 1-3/4" to 2" (44mm to 51mm), it requires a minimum stile of 4-1/2" (114mm) and ships less the LFIC CR8000 core. The stainless steel latchbolt delivers a 1/2" (13mm) throw, and the unit exceeds ANSI/BHMA Grade 1 standards while carrying UL/cUL listing for 3-hour fire doors.

Professional Features & Benefits

• Backset & Door Compatibility: Designed for a 2-3/4" (70mm) backset with a 1-1/8" (29mm) front (standard), accommodating door thicknesses of 1-3/4" to 2" (44mm to 51mm) and a minimum stile of 4-1/2" (114mm).
• Stainless Steel Latchbolt: Deadlatch with a 1/2" (13mm) throw and square corner front measuring 2-1/4" x 1-1/8" (57mm x 29mm) for reliable, secure latching in demanding commercial applications.
• Visual Status Indicators: Six customizable indicator windows provide at-a-glance confirmation of the door's locked or unlocked status from the inside, outside, or both sides of the door, eliminating uncertainty in high-traffic environments.
• Exceeds ANSI/BHMA Grade 1 Standards: Surpasses ANSI/BHMA A156.2 Grade 1 requirements for strength and durability, ensuring long-term reliable performance in commercial settings.
• UL/cUL Listed for 3-Hour Fire Doors: Certified for use on 3-hour fire-rated doors, supporting life-safety compliance in commercial buildings.
• ADA-Compliant Levers: Newport lever design meets ADA accessibility requirements, ensuring ease of operation for all building occupants.
• Non-Handed, Simplified Installation: Non-handed design installs on any door regardless of swing direction, reducing installation time and eliminating handing errors for new construction or retrofit projects.
• Large Format IC 6-Pin Prep (Less Core): Configured for Large Format Interchangeable Core (LFIC) with 6-pin prep; ships without the CR8000 core, allowing integration into existing key control systems.
• Master Keying Capability: Can be master keyed or grand master keyed; construction key systems are also available for phased project security management.
• Patented Design: Corbin Russwin's patented CLX3300 Series design provides a unique combination of status indication, one-motion egress, and keyed storeroom function in a single cylindrical platform.

Technical Specifications

• Subcategory: Cylindrical Locks
• Product Group: Mechanical Locks
• Series: CLX3300 Series
• Grade: Grade 1
• Keyed Function: Single Cylinder
• Lock Function Description: Deadlocking latchbolt by key in outside lever or by rotating inside lever. Lever handle is freewheeling in locked position. Inside lever always free.
• Standard Cylinder: Conventional 6-pin Cylinder, L4 Keyway
• Standard Latch: Deadlatch - Square corner front, 2-1/4" x 1-1/8", 2-3/4" backset
• Standard Strike: ANSI Curved Lip 1-1/4" Lip Length
• Product Subgroup: Bored Locksets
• Product Type: Leversets
• Keyed: Yes
• Commercial/Residential: Commercial
• Lock Type: Cylindrical
• Handle Type: Lever
• Lock Function: Storeroom/Closet
• Product Attribute: Cylindrical Locks
• Product Model: CLX3357
• Product Function: Storeroom
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4" to 2"
• Fire Rating: Yes
• Product Category: Mechanical Locks
• Product Substrate: Steel, Zinc dichromated for corrosion resistance
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 2"), minimum stile width of 4-1/2" (114mm), and 2-3/4" backset boring as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the bored lock prep.
3. Prepare the door by drilling the required cross-bore and edge-bore holes and routing the latch pocket as specified in manufacturer instructions.
4. Install the latchbolt assembly and strike plate, then secure the cylindrical lock body and lever trim to the door per manufacturer torque specifications.
5. Insert the compatible LFIC CR8000 core (sold separately) into the prepared 6-pin LFIC prep and verify proper seating and key operation.
6. Adjust the latch and strike alignment for smooth latching and verify status indicator windows are functioning correctly. Test storeroom function to confirm outside lever is locked and inside lever remains free. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings and Storerooms
• Educational Facilities and Classrooms
• Healthcare Institutions and Restrooms
• Retail Establishments and Back-of-House Areas
• Industrial and Warehouse Facilities
• Multi-Tenant Residential and Mixed-Use Properties
• Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin CLX3300 Series cylindrical locksets are engineered to exceed ANSI/BHMA A156.2 Grade 1 standards, with a steel and zinc dichromated substrate for corrosion resistance and a stainless steel latchbolt rated for a 1/2" (13mm) throw. UL/cUL listing for 3-hour fire doors and ADA-compliant lever design underscore the product's commitment to life-safety and accessibility compliance. The patented status indicator system and non-handed installation make the CLX3300 Series a trusted choice for demanding commercial applications where dependable performance, security visibility, and ease of maintenance are essential.