Below you will find a list of universal sizes as laid out by AS 568, the Society of Automotive Engineers' Aerospace Size Standard for O-Rings. ElastoTech SouthWest manufactures all of these sizes, but can custom tool unique sizes as well.
The diagram you see on the right explains which dimensions are referred to in the size table below. If you have any questions about the significance of a measurement, contact us and one of our experienced customer service representatives can help explain the chart.