The O-Ring 4.237" x 0.103" made from 70 NBR (Nitrile Butadiene Rubber) is engineered for effective sealing in various applications. This product from Freudenberg-NOK Industrial Services, model N702V, is known for its excellent resistance to oils and fuels, making it suitable for automotive and industrial applications. With a hardness rating of 70, it provides a strong seal under pressure. Its precise dimensions ensure compatibility with standard fittings, and it meets industry standards for durability and performance, making it a trusted choice for sealing solutions.