Standard Japanese O-Rings sizes. Tolerances vary by use, please see out tolerance pages. Thousands of non-standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit. Order Online Click Size Button CS = Cross Section ID = Inside Diameter

Scroll right and left to see nominal, standard and metric sizes on chart. The chart below lists O-rings in the 2- series. For additional sizes, please contact Web Seal. Also, visit our O-Rings and Back-up Rings page for additional information. Show.

Japanese Industrial Standard for o-ring sizes. This standard, often referred to as "Japanese Metrics." JIS B 2401 Size Chart View Size Chart IS0 6149 ISO 6149 specifies o-rings designed for use in Metric Tube Fittings. Includes 13 different sizes and calls out the metric thread size for each o-ring size. IS0 6149 Size Chart View Size Chart

Reference the Parker o-rings size chart to help determine the size for your application. The chart provides dimensions, both nominal and metric, for standard (AN) shrinkage materials ONLY. These correspond to AS568A dimensions. Download PDF Size Chart Material Selection Shelf Life Vulcanized Store Products Radial Shaft Seals O-Rings

O-Rings are available in various standard sizes. Refer to our o-ring sizing charts for

for non-standard sizes. Parco offers O-rings in all 369 standard sizes, shown on the enclosed chart. Metric Sizes Standard metric sizes for O-rings are defined by International Standard ISO 3601-1:2002: Fluid power systems—O-rings—Part 1: Inside diameters, cross-sections, tolerances and size identification code. That standard groups metric

901 3/32 902 1/8 903 3/16 904 1/4 905 5/16 906 3/8 907 7/16 908 1/2 909 9/16 910 5/8 911 11/16 912 3/4 913 13/16 914 7/8 916 1 918 1-1/8 920 1-1/4 924 1-1/2 928 1-3/4

Determine the inside diameter by using a ruler to measure from one inner edge to another. Use a ruler to measure the diameter, from one outer corner of the O-ring to the other outer corner. Finally, measure the cross-section. Place the O-ring into a vernier caliper. Lightly clamp the jaws of the caliper onto the O-ring, but do not compress it.

Need to find a specific O-Ring? Our AS568 O-Ring Size chart is easy to use and navigate through. We also go over how to properly measure the o-ring, what dimensions to look for and some handy formulas that will make your life easy. Remember if you see something not in stock, reach out and we can find it for you.

Welcome to our Size Charts Section, where you can download both imperial and metric O-Ring Size information. In addition to standard imperial and metric sizes, 

Generic Metric O-Rings – This chart shows all of the most common metric sizes that may or may not match up with any of the international standard sizes. 832-448-5550 | Hours: 8am – 5pm CST, Monday – Friday . My Account Remember Me Size Charts; Generic Metric O-Rings;