can non primus keys fit in primus cylinders?

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The Primus cylinders are not designed to fit into the F locks.  They are too long and the tailpiece is oriented differently.
A Primus key can operate a non Primus cylinder as long as the keyway is the same or the key is a multi-section.  Additionally, the cylinder must be pinned to be operated by the top cuts of the Prim...
Primus cylinders can only be operated with a Primus key.
Medeco does offer a key-in-lever cylinder to fit the Schlage ND.You will need to contact Medeco for the cylinderSpecify a key-in-lever cylinder to fit the Schlage ND lock.They will supply a cylinde...
Refer to table 1 for the list of Schlage AL-Series cylinders.     AL-Series Cylinder Reference Table    Function  Cylinder Mechanism   Complete Cylinder   Non-Hotel Functions  ...