The Freudenberg-NOK U959BB FKM O-ring features a diameter of 4.000 inches and a thickness of 0.250 inches, with a hardness rating of 75 Shore A. This O-ring is designed for high-performance sealing in demanding environments, providing excellent resistance to heat, chemicals, and aging. Its durable construction ensures reliability and longevity, making it suitable for automotive, aerospace, and industrial applications. The U959BB meets industry standards, ensuring compatibility and optimal performance in sealing applications.
