The AS568-160 SIMRIZ SZ501 is designed for optimal sealing performance, featuring a 5-1/4" inner diameter and a 5-7/16" outer diameter with a thickness of 3/32". This seal, produced by Freudenberg-NOK, is made from high-quality materials that provide exceptional resistance to various chemicals and temperatures. It meets stringent industry standards, ensuring compatibility with numerous applications, particularly in hydraulic and pneumatic systems. The SZ501 ensures a reliable seal, enhancing the efficiency and longevity of your equipment.