When it comes to selecting the right O-ring for your project, understanding the AS568 O-Ring Size Chart is crucial. This chart, established by the Society of Automotive Engineers (SAE), provides a standardized system for O-ring sizing.
## What is AS568 O-Ring Size Chart?
The AS568 O-Ring Size Chart is a widely used system that categorizes O-rings based on their cross-sectional diameter and inside diameter. This system includes a total of 379 sizes, ranging from 1/32" to 26". Each size is designated by a unique dash number, making it easy to identify and select the right O-ring for your application.

### How to Read AS568 O-Ring Size Chart
To read the AS568 O-Ring Size Chart, simply locate the dash number that corresponds to the desired O-ring size. The first digit in the dash number represents the cross-sectional diameter in sixteenths of an inch, while the last two digits indicate the inside diameter in sixteenths of an inch. For example, an O-ring with a dash number of 214 would have a cross-sectional diameter of 2/16" and an inside diameter of 14/16".
## Selecting the Right O-Ring Size
Choosing the correct O-ring size is essential to ensuring a proper seal and preventing leaks. By referring to the AS568 O-Ring Size Chart, you can easily determine the exact O-ring size needed for your application. Whether you are working in automotive, industrial, or aerospace industries, having a good understanding of the AS568 O-Ring Size Chart will help you make informed decisions.
# FAQs
## Q: How many sizes are included in the AS568 O-Ring Size Chart?
A: The AS568 O-Ring Size Chart includes a total of 379 sizes, ranging from 1/32" to 26".
## Q: What do the dash numbers in the AS568 O-Ring Size Chart represent?
A: The first digit in the dash number represents the cross-sectional diameter in sixteenths of an inch, while the last two digits indicate the inside diameter in sixteenths of an inch.
## Q: Why is it important to select the right O-ring size?
A: Selecting the correct O-ring size is crucial to ensuring a proper seal and preventing leaks in your application.
## Q: How can I use the AS568 O-Ring Size Chart to choose the right O-ring size?
A: To choose the right O-ring size, simply locate the dash number that corresponds to the desired O-ring size on the AS568 O-Ring Size Chart.
## Q: In which industries is the AS568 O-Ring Size Chart commonly used?
A: The AS568 O-Ring Size Chart is widely used in automotive, industrial, aerospace, and other industries for selecting the appropriate O-ring size.
# Conclusion
In conclusion, the AS568 O-Ring Size Chart is a valuable tool for selecting the right O-ring size for your application. By understanding how to read and interpret this chart, you can ensure a proper seal and prevent leaks in your projects. Whether you are a seasoned professional or a DIY enthusiast, unlocking the secrets of the AS568 O-Ring Size Chart will help you make informed decisions and achieve successful results.

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AS568 O-Ring Size Chart

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