The Freudenberg-NOK OR 15.955" 0.139" 75 NBR N750FM is a robust O-ring crafted from NBR (Nitrile Butadiene Rubber), known for its excellent resistance to oils and fuels. With a diameter of 15.955 inches and a thickness of 0.139 inches, this O-ring is engineered for high-performance sealing in hydraulic and pneumatic applications. It adheres to industry standards, ensuring reliability and longevity in demanding environments. This O-ring is an essential component for maintaining optimal performance in various systems.