The Case IH K948389 is a genuine OEM flat washer designed for secure fastening in a wide range of Case IH agricultural equipment. This essential component features an inner diameter of 10.5 mm, an outer diameter of 20 mm, and a thickness of 2 mm, ensuring proper load distribution and preventing loosening of bolted joints. Manufactured to Case IH's rigorous standards, it provides reliable performance and compatibility with numerous tractor and machinery models, including Farmall, Maxxum, Puma, and JX series.