Diameter: 1-1/8"
Diameter 2: 1-5/16"
Thickness: 3/32"
Material: Rubber
Nominal Size: #122
Type: O-Ring
Box of 20.
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.
