The SIMRIZ Z7257 is a precision-engineered seal with an AS568-046 specification, featuring a 4-1/4" inner diameter and a 4-3/8" outer diameter. Manufactured by Freudenberg-NOK, this seal is designed for high-performance applications, providing excellent resistance to wear and environmental factors. With a thickness of 1/16", it is suitable for various hydraulic and pneumatic systems, ensuring a secure fit and reliable sealing. The Z7257 meets rigorous industry standards, making it an ideal choice for demanding applications where durability and performance are critical.