The Remke Industries O-Ring AS568-115 is made from high-quality Viton material, known for its excellent resistance to heat, chemicals, and aging. With a hardness rating of 75 Durometer, this black O-ring provides a reliable seal in various applications, including automotive, aerospace, and industrial settings. Measuring 2.5 inches in inner diameter, it is designed to fit standard AS568 specifications, ensuring compatibility with a wide range of equipment. The Viton construction offers superior performance in harsh environments, making it an ideal choice for sealing applications that require durability and reliability.