The Dichtomatik OR 4.487" O-ring, crafted from 90 NBR (Nitrile Butadiene Rubber), is engineered for optimal sealing performance in various industrial environments. With a cross-section of 0.103", it provides a robust barrier against oils and fuels, ensuring longevity and reliability. This O-ring adheres to industry standards, making it suitable for hydraulic and pneumatic applications. Its precise dimensions guarantee compatibility with standard fittings, making it an essential component in automotive, aerospace, and manufacturing sectors. Trust this O-ring for effective sealing solutions.