The following list of cylinders were not affected by the change to modular cylinder:
09-900, 09-904, 09-905, 09-907 mortise cylinder turnsSmall format interchangeab...
The Schlage B and BD cylinder suffixes designate less small format interchangeable core (SFIC) cylinder prep for the lock. Any SFIC, 6-pin or 7-pin, can be inserted into th...