The AS568-905 5/16" ID x 0.072 CS SIMRIZ SZ134 O-ring from Freudenberg-NOK is engineered for superior sealing performance in demanding environments. Constructed from high-quality SIMRIZ material, this O-ring offers exceptional resistance to chemicals and temperature variations. With a precise inner diameter of 5/16" and a cross-section of 0.072", it meets AS568 specifications, ensuring compatibility with various industrial applications. Ideal for hydraulic and pneumatic systems, this O-ring provides a reliable seal, preventing leaks and maintaining system integrity under pressure.