The Freudenberg-NOK Dichtomatik OR 2.175" is a premium O-ring made from 90 NBR (Nitrile Butadiene Rubber), featuring a cross-section of 0.103". This O-ring is engineered for high-performance sealing in various applications, including hydraulic and pneumatic systems. The N901W model offers exceptional resistance to oils and fuels, ensuring a reliable seal that prevents leaks. Its durable construction meets stringent industry standards, making it a trusted choice for both automotive and industrial applications where sealing integrity is crucial.