The AS568-239 SIMRIZ Z7257 seal features a 3-5/8" inner diameter and a 3-7/8" outer diameter, with a thickness of 1/8". This high-quality product from Freudenberg-NOK is engineered for superior sealing performance in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and high temperatures, making it suitable for demanding environments. This seal complies with industry standards, ensuring compatibility with a wide range of systems. The AS568-239 is an ideal choice for professionals seeking a reliable and durable sealing solution.