The Freudenberg-NOK V904Z O-Ring, measuring 4.109 inches in diameter and 0.139 inches in cross-section, is crafted from 90 durometer FKM material, providing excellent resistance to heat and chemicals. This O-Ring is engineered for high-performance sealing in demanding applications, ensuring a secure fit and long-lasting durability. Its robust construction meets stringent industry standards, making it suitable for various industrial uses where reliability is paramount. Ideal for systems requiring effective sealing under pressure, this O-Ring is a dependable choice.