Corbin Russwin 121K11 L1 1-1/8" Mortise Cylinder Plug with L Keyway

Corbin Russwin 121K11 L1 1-1/8" Mortise Cylinder Plug with L Keyway

The Corbin Russwin 121K11 L1 is a 1-1/8" mortise cylinder plug featuring the L keyway, designed as a precision replacement part for compatible Corbin Russwin mortise cylinder assemblies. Built for commercial door hardware applications, this cylinder plug delivers the exacting dimensional tolerances and keyway specifications required for reliable key control and lock performance in demanding environments. As a genuine Corbin Russwin cylinder component, it is engineered to integrate seamlessly with existing Corbin Russwin cylinder hardware.

Key Features

• Precise 1-1/8" Plug Diameter: Sized at 1-1/8" to fit compatible Corbin Russwin mortise cylinder housings, ensuring proper fit and function.
• L Keyway Configuration: Features the L keyway profile for defined key control compatibility within the Corbin Russwin keying system.
• Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, maintaining OEM performance standards for replacement applications.
• Commercial-Grade Construction: Engineered to meet the performance demands of commercial door hardware installations where durability and security are essential.
• Mortise Cylinder Compatibility: Designed for use with mortise cylinder assemblies, making it suitable for a wide range of commercial mortise lock applications.
• Direct Replacement Part: Serves as a purpose-built replacement component, supporting maintenance and restoration of existing Corbin Russwin cylinder hardware without full cylinder replacement.

Technical Specifications

• Department: Door Hardware
• Product Category: Mechanical Locks
• Product Group: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Cylinders
• Parts and Accessories Type: Replacement Parts
• Commercial/Residential: Commercial
• Product Model: 121K11 L1
• Features: Corbin Russwin Cylinder Parts

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Government and Municipal Buildings
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties

Why Corbin Russwin 121K11?

Corbin Russwin cylinder parts are engineered to uphold the performance and security standards that commercial facilities depend on. The 121K11 L1 mortise cylinder plug delivers precise dimensional compliance and authentic keyway geometry, ensuring that lock assemblies maintain their intended functionality after service or maintenance. For facilities that rely on Corbin Russwin keying systems, genuine replacement components like this plug preserve the integrity of the overall security infrastructure.