This item has been discontinued and is no longer available.
For a complete replacement you will need BOTH of the following parts.
6-39964-30-0-FG - Tilt & Turn Lock Case
G-22321-30-0-FG - 

Application: Vinyl, Wood and Aluminum Doors
Lever Rotation: 90 degree - Horizontal Open / Vertical Locked
Faceplate Width: 5/8" (16mm)
Markings above profile cylinder: 6-25204-30
Faceplate Markings Below Lever : FFH 1851-2100

Door height: 73-1/2 inch
Center section Length: 67-3/8
Euro Cylinder: 75mm inside 35/40mm outside
Door thickness: 2-3/8 inch (60mm)