Conventional Cylinders - A conventional cylinder is one that requires some breakdown of the lock in order to be removed. These are the most commonly used cylinders sometimes called key-in-lever...
The Schlage small format interchangeable core rim cylinders 80-329, 80-159, 80-116, and 08-129 can accept 6 pin and 7 pin small format cores.
Yes. Both Schlage and Falcon SFIC mortise housings will accept 6 and 7 pin cores with no additional parts.
1 1/8" mortise cylinders fit the 650 series keyswitch.  The 650 series keyswitch when ordered with the cylinder, will come complete with the correct cylinder, cam, and any required blocki...
If blocking rings (PN 36-079) are needed, specify dimensions when ordering. See below for blocking ring (PN 36-079) dimensions.  Blocking Ring  Specify Dimension  1//8" ...
Primus is only available in 6 pins in a conventional key-in-lever or full size interchangeable core designs.