The 62AS568-390 SZ501 O-Ring from Freudenberg-NOK is a reliable sealing solution with dimensions of 21" ID, 21-3/8" OD, and 3/16" thickness. Made from SIMRIZ material, this O-ring offers excellent resistance to chemicals and high temperatures, making it suitable for various industrial applications. Its precise dimensions ensure a perfect fit, providing reliable sealing performance in hydraulic and pneumatic systems. This O-ring meets industry standards, ensuring compatibility and durability. Trust in its quality for long-lasting performance in demanding environments.