The Freudenberg-NOK 0.139" 70 VMQ O-Ring (OR 8.484 - S701B) is designed for high-performance sealing applications. This O-ring is made from high-quality VMQ (silicone rubber), ensuring excellent resistance to temperature extremes and chemical exposure. With a diameter of 8.484 inches and a cross-section of 0.139 inches, it meets industry standards for durability and reliability. Ideal for use in various industrial applications, this O-ring provides a secure seal in both static and dynamic environments, making it suitable for hydraulic and pneumatic systems.