Disc Springs are conically-shaped precision components designed to be axially loaded. Disc Springs are also known as belleville disc springs, belleville springs, belleville washers, or simply conical washers.

Disc springs are versatile and are used in many manufacturing and plant applications. Some common uses for disc springs include:
Vibration control
Thermal expansion
Relaxation and Bolt Creep Problems
Energy storage
Slip and overload clutches
Valves
Spring actuated brakes