The Freudenberg-NOK OR 4.984" 70 VMQ SI70A4 seal is a high-performance O-ring designed for effective sealing in various applications. With a diameter of 4.984 inches and a thickness of 0.139 inches, this seal is made from durable VMQ silicone rubber, providing excellent resistance to heat and chemicals. Rated at 70 Shore A hardness, it offers a balance of flexibility and strength. This seal complies with industry standards, making it suitable for automotive, aerospace, and industrial uses. Its precise dimensions ensure a perfect fit, contributing to the reliability and efficiency of your systems.