Medeco 20200V9 6-Pin Key-in-Knob/Lever Retrofit Cylinder for Corbin Russwin CL3900

Medeco 20200V9 6-Pin Key-in-Knob/Lever Retrofit Cylinder for Corbin Russwin CL3900

The Medeco 20200V9 is a 6-pin Key-in-Knob/Lever retrofit cylinder engineered specifically for the Corbin Russwin CL3900 lockset. Constructed from durable machined brass components, this cylinder is designed to retrofit knob-type cylindrical locksets, lever-type cylindrical locksets, padlocks, and bored-type auxiliary deadlatches and deadlocks without requiring full lockset replacement. Certified to ANSI A156.30 Level A for patent-protected key control and physical strength, and ANSI A156.5 Grade 1 for consistent quality in heavy-use commercial applications, the Medeco 20200V9 delivers professional-grade security performance. Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance with utility patent-pending key control.

Key Features

• 6-Pin Cylinder Configuration: Features a 6-pin tumbler design for enhanced security and key control in commercial-grade cylindrical locksets.
• Retrofit Compatibility: Specifically designed for the Corbin Russwin CL3900 lockset, enabling a direct cylinder upgrade without replacing the entire lockset assembly.
• Machined Brass Construction: Cylinders are constructed of durable machined brass components for long-lasting performance in demanding commercial environments.
• UL437 Listed: Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, providing a high level of physical attack protection.
• Patent-Pending Key Control: Utility patent-pending key control technology restricts unauthorized key duplication for enhanced access management.
• Broad Retrofit Range: Medeco offers over 100 different cylinder designs and tailpiece configurations, supporting the most popular security hardware and minimizing the need for full lockset replacements.
• Wide Finish Selection: Available in 14 finishes including Bright Brass (05), Satin Brass (06), Antique Brass (09), Satin Brass Blackened (10), Bright Bronze (11), Satin Bronze (12), Oil Rubbed Bronze (13), Bright Nickel (18), Satin Nickel (19), Antique Nickel (20), Black (22), Dark Bronze (24), Bright Chrome (25), and Satin Chrome (26).

Certifications & Compliance

• ANSI A156.30 Level A — Patent-protected key control and physical strength (M4, M3)
• ANSI A156.5 Grade 1 — Consistent quality for heavy-use applications (M4/M4 BiLevel, M3)
• UL437 Listed — Drill and pick resistance (Medeco M4 Key-in-Knob cylinders)

Technical Specifications

• Product Family: Key-in-Knob/Lever Cylinder
• Pinning: 6-Pin
• Compatible Hardware: Corbin Russwin CL3900
• Certification: UL 437 Listed; ANSI/BHMA A156.30 (M4); ANSI/BHMA A156.5 Grade 1 (M4)
• Construction: Durable machined brass components
• Warranty: 2-year manufacturer's warranty

Typical Applications

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

Why Medeco?

Medeco retrofit cylinders are built from durable machined brass components and certified to ANSI A156.30 Level A and ANSI A156.5 Grade 1, ensuring both physical strength and consistent quality for heavy commercial use. With UL437 listing for drill and pick resistance and utility patent-pending key control, the Medeco 20200V9 delivers a high-security upgrade to existing Corbin Russwin CL3900 hardware without the cost of full lockset replacement.