The Freudenberg-NOK OR 7.975" 0.275" 90 HNBR H901B seal is designed for high-efficiency sealing in various industrial applications. Constructed from high-quality HNBR, this O-ring provides superior resistance to heat, oil, and chemicals, making it ideal for demanding environments. With an outer diameter of 7.975" and a cross-section of 0.275", it meets standard sizing requirements and adheres to industry compliance standards. This seal is perfect for hydraulic and pneumatic systems, ensuring a reliable and long-lasting seal under pressure, making it a trusted choice for professionals in the field.