The Freudenberg-NOK SIMRIZ SZ501 O-Ring, conforming to AS568-256 standards, features dimensions of 5-3/4" ID, 6" OD, and a thickness of 1/8". This O-Ring is crafted from high-performance SIMRIZ material, known for its exceptional chemical resistance and thermal stability. Ideal for demanding applications, it ensures a reliable seal in various environments, including those with aggressive chemicals. Its precise dimensions guarantee compatibility with standard fittings, making it a versatile choice for industrial and automotive applications.