Browse our collection of backup rings, ideal for use with 0-rings. Used for sealing, place the backup ring between the extrusion gap and protect the O-ring and the overall seal. Our backup rings feature extrusion resistance, which helps to prevent O-ring failure and are composed of Buna N and hytrel materials. Choose between standard rings and contoured rings.
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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More