The AS568-358 SIMRIZ Z7257 seal features a 5-5/8" inner diameter and a 6" outer diameter, with a thickness of 3/16". This product from Freudenberg-NOK is engineered for optimal sealing performance in various industrial settings. The SIMRIZ material is known for its exceptional resistance to a wide range of chemicals and high temperatures, making it ideal for challenging applications. This seal complies with industry standards, ensuring compatibility with numerous systems. The AS568-358 is perfect for hydraulic and pneumatic systems, providing reliability and durability where it matters most.