Medeco does offer a key-in-lever cylinder to fit the Schlage ND.
You will need to contact Medeco for the cylinder
Specify a key-in-lever cylinder to fit the Schlage ND lo...
Standard Schlage cylinders will not fit in Yale locks, but Schlage does offer special retrofit cylinder that, when ordered, can fit into specific Yale locks. See below for retrofit options.
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The Falcon Monarch 510L and 510L-NL trim will accept either a 1 1/4" Mortise cylinder with a straight cam or a 1 3/8" Mortise cylinder with a straight cam using the blocking ring provided with the ...
The S-Series and S200-Series outside keyed spindle was redesigned in September 2008.
For locks manufactured BEFORE September 2008
The S and S200 lever cylinders required cy...