The AS568-172 SIMRIZ SZ134 seal features an 8-1/4" inner diameter, 8-7/16" outer diameter, and a thickness of 3/32". This high-performance seal from Freudenberg-NOK is crafted from SIMRIZ material, known for its exceptional resistance to chemicals and temperature fluctuations. It is ideal for various industrial applications, including hydraulic and pneumatic systems. The SZ134 meets stringent industry standards, ensuring compatibility with a wide range of equipment. This seal effectively prevents leaks, enhancing the efficiency and longevity of your machinery.