The AS568-227 SIMRIZ Z7257 is engineered for optimal sealing performance with a 2-1/8" inner diameter and a 2-3/8" outer diameter, featuring a thickness of 1/8". This product from Freudenberg-NOK is crafted from high-quality materials that ensure resistance to various oils and chemicals, making it ideal for industrial applications. The Z7257 seal is designed to withstand extreme conditions, providing a reliable barrier against leaks. It complies with industry standards, ensuring compatibility with numerous systems. Perfect for hydraulic and pneumatic systems, this seal guarantees durability and efficiency.