The B520-698 cam was designed for a Schlage IC mortise cylinder (see Figure 1) to operate a Falcon MA lock, all functions except the MA381.  There is no Schlage cylinder option ...
Falcon D series deadbolts will not accept Schlage Key-in-lever cylinders. The faceplate plug hole is smaller in diameter than the Schlage plug and does not fit flush when i...
For a Schlage "C"  keyway:  Specify "CP6" as the cylinder suffix when ordering  D100 or D200 locks (All other Schlage keyways are not available).
Schlage now offers modular style cams to operate the Falcon MA locks.  The following part numbers are cams for all MA locks (except the MA381): L583-638 for 1-1/8", 1-3/8", 1-5/8" length cylin...
Price Book 72A List Price $8.10
Schlage offers Falcon Retrofit cylinders to fit many of Falcon's locks.  Table 1 below contains part number for T series locks.  Table 1 - Falcon retrofit cylinders  
A double cylinder(-2) option is not available on a Falcon device but is available from Von Duprin.
The Exit Alarm takes a 1 1/8" Mortise cylinder with a straight cam. See first page of Exit Alarm inst below. Exit Alarm inst
Standard exit alarm ALK devices are available with cylinder dogging option as of October, 2011. The device can be ordered standard with cylinder dogging and exit alarm ALK option on non fire rat...
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)