This Freudenberg-NOK O-Ring features a diameter of 6.225" and a cross-section of 0.210", made from durable VMQ silicone rubber with a hardness of 70. Designed for high-performance sealing, it is ideal for use in various applications, including automotive and industrial sectors. The O-Ring's material composition ensures excellent resistance to temperature fluctuations and chemical exposure, meeting stringent industry standards for reliability and compatibility. The SI70A4 designation highlights its superior quality and performance.