O-rings form a compressible seal between two mating surfaces, commonly used to prevent leaks in plumbing, hydraulic, and mechanical assemblies.

Diameter: 2-1/4"
Diameter 2: 2-5/8"
Thickness: 3/16"
Material: Rubber
Nominal Size: #331
Type: O-Ring
An O-ring is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc-shaped cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.