thumbturn for L series lock

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Effective December 9, 2019, Schlage L Series mortise locks with a thumbturn will ship standard with our new ADA thumbturn. The new ADA thumbturn is slightly smaller than the existing design while s...
See table below for part numbers. Table 1: 09-900 part number variations
Falcon does not offer an "ADA style thumbturn.
The Schlage 09-509 rose style thumbturns will work but the spindle sits 90 degrees off from each other (Schlage is square, Falcon is diamond).  The result is the throw will end up 10 and 2 o'c...
The 09-900 mortise cylinder thumbturn has three handing options: right hand, left hand, and non-handed.  Handing of the cylinder is done by a check ball and spring placed in the housing a...
Also applies to the 09-900 XL12-196 mortise cylinder coin turn.