The Freudenberg-NOK H901B O-Ring, measuring 4.487 inches in diameter with a 0.103-inch cross-section, is engineered for high-performance sealing in industrial applications. Constructed from 90 durometer HNBR, this O-Ring provides exceptional resistance to heat, oil, and various chemicals, ensuring longevity and reliability. It adheres to strict industry standards, making it a trusted choice for engineers and maintenance professionals. Its robust design allows for effective sealing in challenging environments, enhancing system efficiency and reducing downtime.