Corbin Russwin 487K21 7-Pin X Class Mortise Cylinder Plug with 77B2 Keyway, 2" Satin Brass

Corbin Russwin 487K21 7-Pin X Class Mortise Cylinder Plug with 77B2 Keyway in Satin Brass

The Corbin Russwin 487K21 is a commercial-grade 7-Pin X Class mortise cylinder plug engineered for reliable, high-security key control in demanding commercial applications. Designed specifically for 2" mortise cylinders, this replacement plug features the 77B2 keyway and is finished in satin brass, making it a precise fit for compatible Corbin Russwin mortise lock configurations. As a genuine Corbin Russwin cylinder part, it provides a trusted replacement solution that maintains the integrity of the original locking system.

Key Features

• 7-Pin X Class Configuration: Features a 7-pin X Class plug design for enhanced key control and security in commercial mortise cylinder applications.
• 2" Mortise Cylinder Fit: Precisely sized at 2" for direct compatibility with standard mortise cylinder housings used in commercial door hardware.
• 77B2 Keyway: Utilizes the 77B2 keyway profile for controlled key duplication and compatibility within Corbin Russwin keying systems.
• Satin Brass Finish: Finished in satin brass to complement a wide range of commercial door hardware aesthetics and maintain a consistent appearance.
• Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic Corbin Russwin cylinder component, ensuring proper fit, function, and longevity as a replacement part.
• Commercial-Grade Replacement: Engineered for commercial use, supporting high-cycle performance expectations in office, institutional, and multi-tenant environments.

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: 487K21 77B2
• Features: Corbin Russwin Cylinder Parts

Typical Applications

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

Why Corbin Russwin 487K21?

Corbin Russwin cylinder components are manufactured to exact tolerances, ensuring that replacement parts like the 487K21 plug deliver the same fit and function as the original factory-installed hardware. The 7-pin X Class design and controlled 77B2 keyway provide the security infrastructure that professional installers and facility managers depend on for long-term key control in commercial environments.