The D-300 4.000 x 4.750 x 0.500 Rod Seal from Freudenberg-NOK is a reliable sealing solution for hydraulic systems. This rod seal features an inner diameter of 4.000 inches, outer diameter of 4.750 inches, and a thickness of 0.500 inches, making it suitable for various applications. Constructed from durable materials, it provides excellent resistance to wear and pressure, ensuring long-lasting performance. The D-300 series is recognized for its efficiency and compliance with industry standards, ensuring compatibility with hydraulic systems.