Description: O-rings are mainly used in static application as both axial or radial seals to prevent leakage and contamination.Attributes:Cat® o-rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat o-rings are coated with PTFE to minimize seal twisting and cutting during seal installation.Dimensions of our o-rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.With more than 2,500 o-rings in different sizes and materials, Cat o-rings are your best solution for your Cat and other mobile equipment o-ring needs.Cat sealing system uses a robust design, testing, and validation process. Buy the latest genuine Cat seal to protect your investment. Applications: O-rings are used in a wide variety of applications throughout the entire Cat product line.