The Freudenberg-NOK 0.671" NBR O-Ring is designed for high-performance sealing applications. Made from 90 durometer nitrile rubber (NBR), this O-ring offers excellent resistance to oils, fuels, and other chemicals, making it ideal for industrial use. With a cross-section of 0.139", it fits various standard applications. This O-ring meets industry standards for durability and reliability, ensuring a secure seal in demanding environments. Perfect for automotive, hydraulic, and pneumatic systems, it provides a dependable solution for preventing leaks and maintaining system integrity.