O-ring measurement tool

Of course we suggest an o-ring cone to make sure that the size is exactly what you need. When quoting an o-ring, the following needs to be considered. View Resources View Additional Specs. Additional Specs. Which AS number, I. O-Ring pricing is quantity sensitive. What is the application? Application Temperature? Is the application static or dynamic?

When measuring very small IDs, it is also best to use a caliper. All o-rings can be described by either metric mm or standard inch dimensions. One important thing to consider when sizing o-rings is tolerances. Due to manufacturing limitations, there will always be some variance in the dimensions of o-rings. As an example, for any of the AS Series o-rings, the cross-section is. This means the cross-section could measure as small as. If the CS is one of the standard AS sizes such as.

Measure its ID, and look it up on a size chart. If the ID is listed on the chart or within tolerance , you have a standard size. In this case, simply measure the CS and the ID as discussed above to identify the size needed on our metric size chart. It may be tempting to use a ruler or tape measure, but these will not give you the detailed measurements you need. Instead, we recommend the following tools all available in the Global O-Ring and Seal store to size o-rings:. We are also here to guide you through the sizing process.

Give us a call at to speak with an Industry Expert, or if you are local to the Houston area, come visit us at our Will Call department for more help on sizing o-rings. Previous Next. Instead, we recommend the following tools all available in the Global O-Ring and Seal store to size o-rings: Laminated Size Chart for AS Sizes — Stop here to get our easy to use flip chart featuring the silhouettes of different sizes of o-rings.