The AS568-166 Dupont Kalrez 4079 O-Ring from Freudenberg-NOK is designed for high-performance sealing applications. This O-ring features a diameter of 1.66 inches and a cross-section of 0.275 inches, making it ideal for various industrial uses. Made from 75 durometer FKM material, it offers excellent resistance to chemicals, heat, and aging. The Kalrez 4079 is compliant with industry standards, ensuring reliability in demanding environments. Its robust construction allows for effective sealing in applications requiring high pressure and temperature stability.