The Freudenberg-NOK 0.139" 70 VMQ O-Ring SI70A4 is engineered for optimal sealing performance. With a diameter of 5.609 inches, this O-ring is crafted from VMQ silicone, providing exceptional resistance to heat and chemicals. Rated at 70 Shore A hardness, it ensures a secure fit in various applications, including automotive and industrial sectors. This O-ring meets stringent industry standards, making it a reliable choice for demanding environments. Its robust design and precise dimensions guarantee longevity and effectiveness in sealing tasks.