The Freudenberg-NOK Dichtomatik OR 5.237" 70 NBR NB7018 is a high-quality O-ring designed for reliable sealing in various applications. Made from durable Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils, fuels, and other chemicals, making it ideal for industrial use. With a thickness of 0.103" and a hardness rating of 70, it ensures a secure fit and long-lasting performance. This O-ring is compliant with industry standards, ensuring compatibility with a wide range of systems. Perfect for hydraulic and pneumatic applications, it provides a dependable seal under pressure.