The AS568-432 5-3/8" ID x 5-7/8" OD x 1/4" SIMRIZ Z7257 O-ring by Freudenberg-NOK is engineered for optimal sealing performance in various industrial applications. Made from high-quality SIMRIZ material, it offers exceptional resistance to a wide range of chemicals and high temperatures, making it ideal for harsh environments. With an inner diameter of 5-3/8" and an outer diameter of 5-7/8", along with a 1/4" cross-section, it ensures a secure fit in standard applications. This product complies with industry standards, ensuring compatibility with numerous systems, including hydraulic and pneumatic setups. The SIMRIZ Z7257 is perfect for automotive, aerospace, and manufacturing industries, providing reliability and durability for engineers and maintenance teams.