The AS568-243 Dupont Kalrez 1058 O-Ring from Freudenberg-NOK is designed for high-performance sealing applications. This O-ring features a diameter of 5.234 inches and a cross-section of 0.139 inches, making it ideal for various industrial uses. Constructed from Kalrez, a high-performance elastomer, it offers excellent resistance to chemicals, heat, and aging. This O-ring meets industry standards, ensuring reliability in demanding environments. Its compatibility with a range of systems makes it a versatile choice for engineers and maintenance professionals.