The XC Series features specially designed, patent protected keys which operate XC Cylinders and Conventional cylinders in one key system. XC Series cylinders can be integrated into most existing SARGENT systems or as a new system. Multiple security levels are available to provide key control, convenience and service that meet the demands of each installation.


  • Patented 6 pin or 7 pin SFICproduct with key blanks only available through authorized Sargent distributors
  • Available in finished locks, complete cylinder assemblies and shell/plug components
  • Available in several standard Sargent keyways L and R families only
  • XC keys can be cut to operate non-XC cylinders. Easily field cut on standard key duplicating machines
  • XC cylinders are available with Bump Resistant Pins by specifying BR-option 
  • Available for most Sargent lock products in conventional, construction and SFIC cylinders
  • Small format Interchangeable Cores in Sargent 4A and 4B
  • Captive independent locking mechanisms are controlled by the XC ke


  • Increases security and key control by limiting unauthorized duplication
  • Versatile design for new systems, retrofits and easy field maintenance or construction keying
  • Cost effective method to increase security of existing systems without having to issue all new keys
  • Maintain and expand existing key systems using similar Sargent products
  • The interchangeable core option allows for fast, easy change of keying without having to dissemble the lock from the door or cylinder from knob/lever

Ideally Suited For

  • Existing Sargent Key Systems
  • Buildings Requiring a Higher Level of Security

For more information about the SARGENT XC series, please click here.