The AS568-425 4-1/2" ID x 5" OD x 1/4" SIMRIZ SZ134 from Freudenberg-NOK is engineered for superior sealing performance in various applications. Constructed from high-quality SIMRIZ material, this O-ring offers exceptional resistance to a wide range of chemicals and temperatures. With an inner diameter of 4-1/2" and an outer diameter of 5", it adheres to the AS568 standard, ensuring compatibility with numerous systems. The 1/4" cross-section enhances its sealing efficiency, making it ideal for both hydraulic and pneumatic uses. This product is designed to provide long-lasting durability and reliability.