The Case-IH 81879022 is a genuine OEM washer designed for various Case IH, New Holland, and Steiger agricultural and construction equipment. This flat washer ensures proper load distribution and prevents loosening of fasteners, crucial for the reliable operation of machinery components. It features an inner diameter of 10.5 mm, an outer diameter of 20 mm, and a thickness of 2 mm, making it suitable for specific fastening applications across a wide range of models.