The Freudenberg-NOK Dichtomatik OR measures 3.109" in diameter with a thickness of 0.139", constructed from 90 durometer NBR (BUNA) material. This O-ring is engineered for high-performance sealing applications, providing excellent resistance to oils and fuels. The NBR material ensures durability and reliability in various environments, making it suitable for hydraulic and pneumatic systems. This O-ring meets industry standards, ensuring compatibility with a wide range of applications. Its precise dimensions guarantee a snug fit, enhancing the overall sealing performance.