The AS568-284 SIMRIZ SZ486 is engineered for optimal sealing performance, featuring an 18" inner diameter and 18-1/4" outer diameter with a thickness of 1/8". This product from Freudenberg-NOK is crafted from high-quality SIMRIZ material, known for its exceptional resistance to a variety of chemicals and high temperatures. It is designed to meet stringent industry standards, ensuring compatibility with numerous applications, particularly in hydraulic and pneumatic systems. The SZ486 seal guarantees a reliable fit and extended service life, making it an ideal choice for industrial environments.