The Case IH 84245640 is a genuine OEM disc spring (Belleville washer) designed for use in a wide range of Case IH agricultural equipment, including JX series tractors, AFX and Axial-Flow combines, cotton pickers, forage harvesters, and windrowers. This critical component ensures proper tension and load distribution within mechanical assemblies. It features an outer diameter of 40.0 mm, an inner diameter of 20.4 mm, and a thickness of 2.5 mm, providing reliable performance and durability.