The Freudenberg-NOK AS568-020 SIMRIZ SZ501 is a precision-engineered seal with a 7/8" inner diameter (ID), 1" outer diameter (OD), and a thickness of 1/16". This seal is crafted from high-performance materials, ensuring durability and resistance to various chemicals and temperatures. Designed to meet AS568 standards, the SIMRIZ SZ501 provides exceptional sealing performance in hydraulic and pneumatic applications. Its robust design minimizes the risk of leaks, making it a reliable choice for critical systems. The dimensions are optimized for a snug fit, enhancing the overall efficiency and longevity of the equipment it is used in.