Description
The Corbin Russwin 1000-138-A04-6-N21 is a conventional mortise cylinder designed for commercial door locks, deadbolts, and security hardware installations. It accommodates a full range of keyways and serves facilities managers, locksmiths, and security professionals who need reliable, standardized cylinder replacements and upgrades.
This cylinder is compatible with Corbin Russwin mortise lock bodies and similar commercial applications. As an authorized E.D. Locks & Security dealer, we provide expert guidance on keyway selection, master key coordination, and proper installation. Contact our team at sales@edlocks.com or 1-877-207-6067 for compatibility verification and keying assistance before purchase.
