The Freudenberg-NOK 0.103" 70 VMQ O-Ring SI70A4 is a high-quality sealing solution with a diameter of 4.737 inches. Crafted from VMQ (silicone rubber), it offers exceptional resistance to extreme temperatures and various chemicals. Rated at 70 Shore A hardness, this O-ring ensures a tight seal in demanding applications. It meets industry standards, making it suitable for automotive, aerospace, and industrial uses. Its robust construction and precise sizing guarantee effective sealing, preventing leaks in critical systems.