The Freudenberg-NOK OR 9.734" 0.139" 90 NBR N903X seal is engineered for optimal sealing in demanding environments. Constructed from high-quality Nitrile Butadiene Rubber (NBR), this O-ring is resistant to a variety of chemicals, including oils and fuels, ensuring longevity and reliability. With a thickness of 0.139 inches, it fits securely in various applications, making it a versatile choice for both industrial and automotive sectors. This seal adheres to strict industry standards, providing assurance of its performance and compatibility with numerous systems.