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Seals/Backup Rings 
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Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 2 1/2 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$1.39
/EA

Back-ups

Back-up rings are installed together with o-rings or other accompanying seals to prevent gap extrusion in sealing applications. They are available in a spiral, split, or solid design.