Corbin Russwin 121K11-D2 Grade 1 1000 Series Mortise Cylinder Plug Only

Corbin Russwin 121K11-D2 1000 Series Mortise Cylinder Plug Only 1-1/8" 6-Pin D2 Keyway

Commercial-Grade Mortise Cylinder Plug Replacement for 1-1/8" Mortise Applications

The Corbin Russwin 121K11-D2 is a precision-engineered 1000 Series Mortise Cylinder Plug Only designed for commercial door hardware applications. This cylinder plug features a 1-1/8" length, a 6-pin configuration, and a D2 keyway, making it a direct-fit replacement component for compatible 1-1/8" mortise cylinders. Designed for use with 1-1/8" mortise applications, this plug delivers the reliable performance and exacting tolerances that Corbin Russwin is known for in commercial security hardware.

Professional Features & Benefits

• Precise 1-1/8" Length: Engineered specifically for 1-1/8" mortise cylinder applications, ensuring a proper and secure fit in compatible hardware.
• 6-Pin Configuration: Features a 6-pin tumbler design for enhanced key control and security in commercial environments.
• D2 Keyway: Utilizes the D2 keyway specification for compatibility within the Corbin Russwin 1000 Series key system, supporting organized master key programs.
• 1000 Series Compatibility: Designed as part of the Corbin Russwin 1000 Series, ensuring seamless integration with existing 1000 Series mortise cylinder hardware.
• Commercial-Grade Construction: Built to the demanding tolerances required for commercial door hardware, providing long-term reliability in high-use applications.
• Cylinder Plug Only: Supplied as a plug-only component, ideal for rekeying, replacement, or system upgrades without replacing the entire cylinder assembly.

Technical Specifications

• Product Group: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Cylinder Plug
• Commercial/Residential: Commercial
• Subcategory: Parts and Accessories
• Product Function: Cylinder
• For Use With: 1-1/8" Mortise
• Cylinder Classification: Mortise
• Department: Door Hardware

Professional Applications

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

Why Choose Corbin Russwin Quality?

Corbin Russwin door hardware components are engineered to meet the rigorous demands of commercial applications, delivering consistent performance and precise tolerances across their product lines. The 121K11-D2 cylinder plug is purpose-built for 1-1/8" mortise applications with a 6-pin, D2 keyway configuration, ensuring reliable key control and compatibility within the 1000 Series system. Trusted by security professionals and facility managers, Corbin Russwin parts provide the dependable quality needed for long-term commercial installations.