Kaba Mas electro mechanical combination lock for doors with a #2 strike. CD X10 lock has the same footprint as the CDX09 lock.  It meets FFL-2890A.   The combo motor has been replaced with a DC motor on the X10 lock.  The X10 retains the same three security modes, along with a full complement of audit features.  NSN-5340-01-626-0087