The Freudenberg-NOK AS568-043 SIMRIZ SZ134 is a robust sealing component with a 3-1/2" inner diameter and a 3-5/8" outer diameter, featuring a thickness of 1/16". This seal is crafted from advanced SIMRIZ material, known for its excellent chemical and temperature resistance, making it ideal for various industrial applications. It adheres to AS568 standards, ensuring compatibility with a wide range of systems. The SZ134 is perfect for hydraulic and pneumatic applications, delivering reliable sealing performance under challenging conditions.