The OR 0.921 0.139" 90 FKM V904Z O-Ring is engineered for superior sealing performance in a variety of applications. Constructed from 90 durometer FKM, this O-ring provides excellent resistance to oils, fuels, and chemicals, ensuring durability in challenging environments. With a nominal diameter of 0.921 inches and a cross-section of 0.139 inches, it is designed to fit standard grooves and meet industry specifications. This O-ring is ideal for use in automotive, aerospace, and industrial machinery, offering reliable sealing solutions that enhance system efficiency and reduce maintenance costs.