120 x 135 x 3 CS-7.5 Nylon U-Cup Back Up Metric

These nylon backup rings are used to increase the pressure rating for u-cups, and are machined to close tolerances. Some sizes are stocked solid and may be split with a sharp razor knife for ease of installation. Many sizes are already split. Please consult with sales for more information. Temperature range is -65°F to +225°F.