The Dichtomatik OR 4.859" 0.139" 90 EU from Freudenberg-NOK is a high-quality sealing solution designed for various industrial applications. This O-ring features a diameter of 4.859 inches and a cross-section of 0.139 inches, ensuring a reliable seal under pressure. Made from durable materials, it meets industry standards for performance and longevity. Ideal for use in hydraulic and pneumatic systems, this O-ring is compatible with a range of fluids and gases. Its robust design ensures optimal sealing performance, making it a preferred choice for engineers and maintenance professionals.