The Freudenberg-NOK H802B O-Ring is a high-performance sealing solution made from HNBR material, measuring 0.546" in diameter and rated for 80 durometer hardness. This O-Ring is designed for applications requiring excellent resistance to heat, oil, and chemicals, making it ideal for industrial use. Its precise dimensions ensure a reliable fit in various assemblies, while its compliance with industry standards guarantees quality and durability. Perfect for hydraulic and pneumatic systems, this O-Ring is a versatile choice for engineers and maintenance professionals.