The AS568-436 5-7/8" ID x 6-3/8" OD x 1/4" SIMRIZ SZ485 O-ring by Freudenberg-NOK is engineered for superior sealing performance in various applications. Constructed from high-quality SIMRIZ material, it offers exceptional resistance to a wide range of chemicals and temperatures. With its precise dimensions, this O-ring adheres to AS568 standards, ensuring compatibility with numerous industrial systems. The 1/4" cross-section is designed to provide a reliable seal, making it ideal for both hydraulic and pneumatic uses. This product is a trusted choice for professionals seeking durability and efficiency.