The 1537.26 MM ID X 6.99 MM CS 70 Durometer Nitrile (Buna) Rubber Metric O-Ring from Freudenberg-NOK is designed for high-performance sealing in various industrial applications. This O-ring is made from durable nitrile rubber, providing excellent resistance to oils, chemicals, and temperature variations. With a durometer rating of 70, it offers a reliable balance of flexibility and strength, ensuring a secure seal under pressure. Its precise dimensions make it suitable for standard fittings, and it adheres to industry standards for quality and performance, making it an essential component for engineers.