The AS568-349 SIMRIZ SZ495 is a high-performance sealing solution featuring a 4-1/2" inner diameter and 4-7/8" outer diameter with a thickness of 3/16". Manufactured by Freudenberg-NOK, this O-ring is designed for durability and reliability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and high temperatures, making it suitable for demanding environments. This O-ring meets industry standards for quality and performance, ensuring compatibility with a wide range of systems. Ideal for use in hydraulic and pneumatic applications, the AS568-349 is a versatile choice for engineers and maintenance professionals.