The OR 3.475 x 0.210 inch O-ring, constructed from 90 FKM (Fluoroelastomer), is designed for high-temperature and chemical resistance. This seal is perfect for applications in harsh environments, including automotive and aerospace industries. With a durometer rating of 90, it provides excellent sealing capabilities under pressure, ensuring minimal leakage. Its robust construction meets industry standards, making it a reliable choice for demanding applications. The V901W model is engineered for longevity and performance, ensuring a secure fit in various systems.