Replace with part # 415031010-SN.

Hoppe Euro profile full cylinder 82mm with 90° turn, key and V-knob

Cylinder Size: 2" (50.5mm) Thumb side, 1-1/4 inch (31.5mm) Key side 
Color / Finish: F42-R satin nickel - Resista® F42-R 
Cylinder Keyway: Schlage 5 pin SC1

Note: Resista® hardware is ideal for coastal areas and highly frequented areas such as public buildings, shops and hotels. Resists Tarnishing and discoloration.