Japanese Industrial Standard O-Rings are another popular classification system used around the globe. Published by the Japanese Standard Association, these o-rings are also categorized using the metric system. JIS O-Rings are used in many different fields, but typically are implemented in Japan's semiconductor, automotive and machine tool industries. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Unit of Measure
Type |
N/A JIS Standard O-Ring |
Material |
N/A Flurosilicone |
Cross Section Width |
N/A 0.224 in5.70 mm |
Durometer |
N/A 70 |
Inside Diameter |
N/A 239.3 mm9.421 in |
CSW Tolerance |
N/A 0.006 in0.15 mm |
ID Tolerance |
N/A 0.031 in0.80 mm |
JIS Number |
N/A G-240 |
Warning |
N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. |
O-Ring Industries |
N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |