The Freudenberg-NOK OR 0.042" 90 NBR N901W seal is designed for high-performance applications requiring reliable sealing solutions. Made from durable Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils and fuels, making it ideal for automotive and industrial uses. With a cross-section of 0.042" and a hardness rating of 90, it ensures a tight fit and long-lasting performance. This seal meets industry standards for quality and reliability, ensuring compatibility with various systems. Its compact size makes it suitable for tight spaces, providing effective sealing in hydraulic and pneumatic applications.