Corbin Russwin 487K21 7-Pin X Class Mortise Cylinder Plug with 57A1 Keyway
The Corbin Russwin 487K21 is a precision-engineered 7-Pin X Class plug designed for 2" mortise cylinder applications. Featuring the 57A1 keyway and a Satin Brass finish, this replacement cylinder plug is purpose-built for commercial door hardware installations where reliable, high-security key control and long-term performance are required. As a genuine Corbin Russwin cylinder part, it integrates seamlessly with compatible mortise lock systems to maintain system integrity.
Key Features
- 7-Pin X Class Plug: High-security 7-pin tumbler configuration provides enhanced key control and pick resistance for demanding commercial applications.
- 2" Mortise Cylinder Compatibility: Precisely machined to fit standard 2" mortise cylinder housings, ensuring accurate drop-in replacement installation.
- 57A1 Keyway: Proprietary Corbin Russwin 57A1 keyway restricts unauthorized key duplication, supporting controlled access environments.
- Satin Brass Finish: Durable Satin Brass finish provides a professional aesthetic consistent with commercial hardware standards.
- Genuine Corbin Russwin Cylinder Part: Manufactured as an authentic OEM replacement component for Corbin Russwin mortise lock systems, ensuring proper fit and function.
- Commercial-Grade Construction: Built to the tolerances and material standards expected in high-traffic commercial door hardware applications.
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 57A1
- Features: Corbin Russwin Cylinder Parts
Typical Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Government and Municipal Buildings
- Retail Establishments
- Multi-Tenant Residential Properties
- Industrial and Warehouse Facilities
Why Corbin Russwin 487K21?
Corbin Russwin cylinder components are manufactured to exacting commercial-grade standards, delivering the precise tolerances required for reliable mortise lock operation. The 7-Pin X Class configuration and proprietary 57A1 keyway make the 487K21 plug a dependable choice for facilities requiring strict key control and long-term hardware consistency. Engineered for demanding commercial applications where maintaining system integrity and security performance is essential.
Manufacturer Resources
Product Specs
- 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 57A1
- Features:
- Corbin Russwin Cylinder Parts