The New Holland 87011857 Disc Spring, also known as a Belleville washer, is an authentic OEM component designed for critical applications across a wide range of New Holland agricultural and construction equipment. This precision-engineered spring provides essential tension and load distribution, contributing to the reliable operation and longevity of machine assemblies. With an outer diameter of 19 mm, an inner diameter of 8.2 mm, and a thickness of 1.0 mm, this genuine part ensures exact fitment and performance in compatible New Holland tractors, balers, combines, loaders, and more.