The minimum stile for each lock will depend on the backset and the rose diameter/escutcheon width. See the Schlage Minimum Stile Guidelines for the minimum stile for each...
See image, ANSI A115.1 Mortise Lock PrepThis door prep requires the N escutcheon with the L283-029 spacer kit to keep the springcage from falling into the door. Spacer kits are...
In late July, 2014, Schlage began taking orders for a new high visibility indicator for both N escutcheon and sectional trim applications. A complete listing of lock functions and part number...
The L Series mortise indicator datasheet can be found here. Includes how to order.
The difference between the L and N escutcheons is the size and how they are manufactured.
L Escutcheon: 8" x 1 3/4" x 7/16" (203mm x 44mm x 11mm) Cold-forged brass, bronze or stainless steel ...