The Freudenberg-NOK O-Ring 3.500 x 0.125, model 9251, is engineered for optimal sealing performance in diverse applications. This O-Ring features a cross-section of 0.125 inches, ensuring a tight fit in standard grooves. Constructed from high-quality materials, it offers excellent resistance to wear and environmental factors, making it ideal for industrial settings. The 3.500-inch diameter is designed to meet various industry standards, ensuring compatibility with a wide range of systems and connections. This O-Ring is a reliable choice for maintaining effective seals in hydraulic and pneumatic applications.