The Dichtomatik OR 0.139" 90 HNBR H901B by Freudenberg-NOK is engineered for superior sealing performance in industrial settings. This O-ring, with a hardness of 90 Shore A, is crafted from HNBR (Hydrogenated Nitrile Butadiene Rubber), providing exceptional resistance to heat, oil, and various chemicals. Its 0.139-inch cross-section is designed for applications requiring a dependable seal under pressure. This product meets stringent industry standards, ensuring compatibility with numerous systems and applications, making it a reliable choice for engineers and maintenance professionals.