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When were the Falcon conventional cylinders in Corbin Russwin L4 keyway discontinued?

Falcon conventional cylinders in competitor keyway Corbin Russwin L4 were discontinued in February 2026.

The following Falcon cylinder part numbers for Corbin Russwin L4 keyway are now obsolete:

  • A23174-2
  • A23174-13
  • A23174-11
  • Q033-079
  • Q033-078
  • A23174-7
  • A23174-10
  • A23174
  • A23174-12
  • A23174-6
  • A23174-5
  • A23174-1
  • A23174-3
  • A23174-4
  • A23174-8
  • Q330-158
  • Q330-240
  • Q330-248

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