The AS568-276 DUPONT KALREZ 4079 O-Ring is engineered for high-performance sealing in extreme conditions. This O-ring features a standard size of 2.5" ID and is made from Kalrez, known for its outstanding chemical resistance and thermal stability. With a durometer rating of 75, it can handle high temperatures and pressures, making it suitable for various industrial applications. The O-ring complies with ISO and ANSI standards, ensuring reliability in critical sealing applications. Its precise dimensions and durable construction make it ideal for use in pumps, valves, and other demanding environments.