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[[Category:Parts]]
[[Category:Fluid parts]]

=Introduction=
An O-ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. 

=Challenges=

=Approaches=

=References=
  * [[https://en.wikipedia.org/wiki/O-ring|Wikipedia: O-ring]]