The Case IH 4395277 is a genuine OEM grooved washer designed for robust and secure fastening applications across a wide range of Case IH and New Holland agricultural and construction equipment. This critical component ensures proper load distribution and helps prevent loosening of bolted connections due to vibration, thereby maintaining the integrity and reliability of machinery assemblies. With precise dimensions including an inner diameter of 10.2 mm, an outer diameter of 17.8 mm, and a thickness of 1.5 mm, this washer provides a snug and effective fit.