What mortise cylinder cam do I use with the Falcon MA lock?

Resolution:

The Falcon MA-Series requires a different cam for keyed functions than its predecessor the Falcon M-Series.

Conventional Mortise Cylinder Cams for Falcon Cylinders:

5622-STD Falcon MA CAM for conventional mortise cylinders, except MA381
5620-STD Falcon MA CAM for conventional mortise cylinder MA381 inside function 
5621-STD Falcon MA CAM for conventional mortise cylinder MA381 outside function

A08867-000-00 Falcon cyl. in Sargent and Yale (26)
A09888-000-00 Falcon cyl. in Schlage L Series (13)
A09894-001-00 Falcon, Ilco, Lori and Schlage cyl. in M deadbolt functions (1) 
A09894-002-00 Arrow, Sargent, Yale cyl. in M deadbolt functions (2)
A09894-003-00 Corbin Russwin cyl. in M deadbolt functions (3)
A09894-021-00 Falcon cyl. in Falcon concealed VR Delta trim - 2010 and earlier (21)
A09894-022-00 Arrow, Sargent, Yale cyl. in Falcon Delta trim (22)
A09894-023-00 Corbin Russwin cyl. in Falcon Delta trim (23)
A09897-000-00 Falcon M Series non-deadbolt functions (4)
A09897-024-00 Falcon dogging cyl. in Falcon device (24)
A09898-000-00 Adams Rite 4070 (16)
A09899-000-00 Adams Rite MS (6)
A20065-000-00 M381 outside (14)
A20069-000-00 Corbin Russwin ML2200

IC Mortise Cylinder Cams for Falcon Cylinders:

5622-IC Falcon MA CAM for SFIC mortise cylinders, except MA381
5620-IC Falcon MA CAM for SFIC mortise cylinders MA381 inside function
5621-IC Falcon MA CAM for SFIC mortise cylinders MA381 outside function

A12667-000-00 Sargent / Yale (7)
A12667-001-00 Adams Rite MS (8)
A12667-002-00 Adams Rite 4070
A12667-003-00 Straight (5), M series non-deadbolt functions
A12667-006-00 Corbin Russwin master ring (25) (requires bushing A09890)
A12667-007-00 M series deadbolt functions (10)
A12667-008-00 Schlage L Series (12)
A12667-011-00 Corbin Russwin, Arrow (11)
A12667-013-00 Corbin Russwin DL4000
A12667-020-00 Falcon concealed vertical rod Delta trim - 2010 and earlier (20)
A12667-03A-00 Sargent 7737
A20278-000-00 M381 outside (15)