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Backup rings prevent seal extrusion in high pressure applications, and may be used to protect the life of overall sealing system from pressure surges.
• Material: Plastic
• Outside diameter: 13 mm (0.51 in)
• Inside diameter: 10 mm (0.39 in)
• Thickness: 1 mm (0.04 in)
Backup rings are used in high pressure static and dynamic sealing applications, such as hydraulic pumps, valves and engine systems. Consult your owner's manual or contact your local Cat Dealer for more information.