The Freudenberg-NOK EPDM O-Ring, measuring 5.609" in diameter and 0.139" in thickness, is engineered for effective sealing in various applications. Made from durable EPDM material, this O-Ring has a hardness rating of 75, offering excellent resistance to heat, ozone, and chemicals. Its precise dimensions ensure compatibility with a variety of industrial fittings, making it a reliable choice for hydraulic and pneumatic systems. This O-Ring adheres to industry standards, ensuring long-lasting performance and reliability.