The Freudenberg-NOK Dichtomatik OR 5.100" 70 NBR N703W O-ring is engineered for reliable sealing in various industrial applications. Constructed from high-quality NBR (Nitrile Butadiene Rubber), it features a 0.210" cross-section and a hardness rating of 70 Shore A, ensuring durability and resistance to oils and fuels. This O-ring fits standard grooves perfectly, providing a dependable seal that meets industry standards for performance and reliability, making it suitable for automotive, hydraulic, and pneumatic systems.