cam for kr kit

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Answer
 The Schlage ND75 and ND95 locks require the chassis to be assembled and timed correctly for operation.  If the chassis has to be disassembled for any reason please refer to the Assembling Schlage ...
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
The KR54-F is used on electrified mullions (panic and fire) because it has a route for the wires.