The Freudenberg-NOK 0.210" 70 VMQ O-Ring SI70A4 is designed for high-performance sealing applications. This O-ring features a durometer rating of 70, ensuring durability and resistance to wear. Made from VMQ (vinyl methyl silicone), it offers excellent thermal stability and chemical resistance, making it suitable for various industrial applications. With a cross-section of 0.210 inches, it fits standard AS568 specifications, ensuring compatibility with a wide range of systems. Ideal for use in automotive, aerospace, and manufacturing environments, this O-ring provides reliable sealing under pressure and temperature variations.