looking for plate that goes on deadbolt

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The Locknetics 9100 series electric strikes are replaced with Von Duprin 6211 and 6210 electric strikes.   The 6211 is used if the frame is being replaced. The 6210 is for ...
  Schlage H-Series Escutcheons    Part Number  Description Dimension   07-057  Inside escutcheon and turn  6.92" x 2.75"  07-035  Inside escutcheon, dummy - H170  6.92" x 2...
The L series armor fronts are only available with square corners.  
Falcon manufactured an EZF101 which was a large plate with a recessed lever for use in elevators.  This item is no longer available.     
The replacement for the D871 is the D271.  None of the parts are backwards compatible. D271 description:Thumbturn x Occupancy Indicator Deadbolt thrown or retracted by turn unit only. ...
The Falcon D400 and D800 series (including the D871) were discontinued in 2008.
The default backset is 2 3/4" and the latch faceplate dimensions are 1 1/8" x 2 1/4". The latch supplied is the 13-047 deadlatch and 13-048 springlatch.