The OR 4.225" 0.275" 90 FKM V901W O-Ring by Freudenberg-NOK is designed for superior sealing performance in high-temperature and chemical environments. Made from 90 durometer FKM, this O-ring offers excellent resistance to oils, fuels, and solvents. Its precise dimensions ensure compatibility with a variety of applications, including hydraulic systems and industrial equipment. This O-ring meets stringent industry standards, ensuring reliability and durability in demanding conditions. Ideal for use in automotive and aerospace applications, it provides a secure seal that enhances system efficiency.