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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 ...
 A 1 1/4" cylinder with straight cam is required for the Von Duprin SD (Special Dogging) exit device option.
The cylinder cam must be inverted with the SD option to work properly.
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.
L583-446; Schlage Adams Rite MS modular cam used on 1 1/8", 1 3/8" and 1 5/8" cylinders    L583-447; Schlage Adams Rite MS modular cam used on 1 1/4", 1 1/2" and 1 3/4" cylinders  B502-944; Sch...
Chexit devices shipped after 8-24-2015 with motor driven: The Chexit device will use a 1 1/4" mortise cylinder with straight cam. Schlage cylinder 20-001-114 recommended. CAUTION: The length of t...
Chexit devices shipped prior to 8-24-2015:The CX device will need a 1 1/4" mortise cylinder with a straight cam per page 2 of the installation instructions. A 996L-M for a 1 3/4...
A modular cylinder's length is determined by 4 basic parts; a cam screw, cam, plug extension, and a back housing.  Most of these parts are used in more than one cylinder length and...
Devices built After 2/28/2011: Use a 1 1/8" - 1 1/4" mortise cylinder with straight narrow cam. (Cam profile same as the Schlage B520-731, see table below for part numbers) Devices built Befo...
 Modular 1-1/8"  Modular 1-1/4"  SFIC and FSIC  Non-Modular Non-IC Conventional  Non-Modular Non-IC Everest Primus  B520-730  B520-731  B520-2...
The Schlage L-Series uses a clover leaf cam with the exception of the L9060 outside cylinder which uses a straight cam. The cam part number will depend on the type of mortise cylinder, keyway (for ...
The cams for modular cylinders are unique and are not compatible with any non-modular mortise cylinders, Schlage or any competitors.
For standard (non-IC) cylinders, use the Falcon #4 straight cam For IC cylinders, use the Falcon #5 cam 
The Von Duprin CD kit comes with the cover plate machined to accept the cylinder dogging mortise cylinder.1 1/4" mortise cylinder with an inverted straight cam is required for CD option on Von Dupr...
The Sargent cams listed below work for all applications except 16 inside and 50 outside.  The equivalent Sargent cam is the 13-0660. Use the B520-736 for modular cylinder lengths of 1 1/8",...
Effective July, 2014, there is no longer a specific modular cam part number for dogging. The Schlage modular straight cams come with two mouting holes that allow for the cams to be mounted inverted...
The Falcon MA-Series requires a different cam for keyed functions than its predecessor the Falcon M-Series.
 
 
The cam is not inverted on the mortise cylinder for the CD option.
There have been a few reported cases of the torx cam screw loosening on modular designs shipped prior to April 16th 2013.   History of cam screw changes: Standard screw shipped July 27t...
The Falcon C987 cylinder can be ordered with the #27 cam as it has a similar profile to the Schlage B520-731 cam for trims after 2/28/2011.