O Ring Cross Section

The sizes are specified by the inside diameter and the cross section diameter.

O ring cross section. The first five series are based on cross sectional diameter. All you need to do is measure the internal diameter id or outside diameter od and the width or cross section c s of the o ring. Apple rubber offers microring seals in more than 2 000 sizes ranging from the largest with an inside diameter or cross section of 039 in.

Use the metric o ring size chart to find common metric o ring sizes by cross section inside diameter and outside diameter. 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. 1 0 mm down to 008 in.

All you need to do is measure the internal diameter id or outside diameter od and the width or cross section c s of the o ring. Once you have these measurements you then need to decide if the size you need is listed below or if the best fit will be a metric oring. The sixth series includes 20 sizes for boss seals.

Once you have these measurements you then need to decide if the size you need is as568 inch sizes or if the best fit will be a metric oring. The diagram shows exactly where these dimensions are to be found. In addition to standard metric o ring sizes thousands of non standard metric o rings sizes are available in stock or can be custom made within a few weeks usually without additional tooling fees.

There are 369 standard sizes. The standard sizes are also used for most military specifications. The o ring may be used in static applications or in dynamic applications where there is relative motion between.

An o ring also known as a packing or a toric joint is a mechanical gasket in the shape of a torus. Find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart. Manufacturers of encapsulated o rings and industrial gaskets.