The Freudenberg-NOK 75114527 O-Ring is a high-performance sealing component, measuring 18.455" in diameter and 0.275" in thickness. Constructed from premium NBR (Buna) material, this O-Ring is engineered to provide exceptional resistance to oils and chemicals, making it ideal for a variety of industrial applications. With a durometer rating of 75, it offers excellent sealing capabilities under pressure, ensuring reliable operation in hydraulic and pneumatic systems. This O-Ring is a crucial component for maintaining the efficiency and longevity of your equipment.