JIS Silicone O-Rings
JIS O-Rings
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.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
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Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (mm)
Inside Diameter (in)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
ID Tolerance |
JIS Number |
Call for a Quote |
O-Ring Industries |
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P270 S-70 |
IntegrationID
N/A 180366 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 269.5 mm10.610 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-270 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P265 S-70 |
IntegrationID
N/A 180365 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 264.5 mm10.413 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-265 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P260 S-70 |
IntegrationID
N/A 180364 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 259.5 mm10.217 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-260 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P255 S-70 |
IntegrationID
N/A 180362 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 254.5 mm10.020 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-255 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P250 S-70 |
IntegrationID
N/A 180361 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 249.5 mm9.823 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-250 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P245 S-70 |
IntegrationID
N/A 180358 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 244.5 mm9.626 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-245 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P240 S-70 |
IntegrationID
N/A 180357 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 239.5 mm9.429 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-240 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P235 S-70 |
IntegrationID
N/A 180355 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 234.5 mm9.232 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-235 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P230 S-70 |
IntegrationID
N/A 180354 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 229.5 mm9.035 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-230 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P225 S-70 |
IntegrationID
N/A 180352 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 224.5 mm8.839 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-225 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P220 S-70 |
IntegrationID
N/A 180351 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 219.5 mm8.642 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-220 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P215 S-70 |
IntegrationID
N/A 180348 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 214.5 mm8.445 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-215 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P210 S-70 |
IntegrationID
N/A 180347 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 209.5 mm8.248 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-210 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P209 S-70 |
IntegrationID
N/A 180345 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 208.5 mm8.209 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-209 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P205 S-70 |
IntegrationID
N/A 180344 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 204.5 mm8.051 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-205 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P200 S-70 |
IntegrationID
N/A 180343 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 199.5 mm7.854 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-200 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P195 S-70 |
IntegrationID
N/A 180341 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 194.50 mm7.657 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-195 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P190 S-70 |
IntegrationID
N/A 180340 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 189.50 mm7.461 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-190 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P185 S-70 |
IntegrationID
N/A 180339 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 184.50 mm7.264 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-185 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P180 S-70 |
IntegrationID
N/A 180338 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 179.50 mm7.067 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-180 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P175 S-70 |
IntegrationID
N/A 180336 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 174.50 mm6.870 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-175 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P170 S-70 |
IntegrationID
N/A 180335 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 169.50 mm6.673 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-170 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P165 S-70 |
IntegrationID
N/A 180334 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 164.50 mm6.476 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-165 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P160 S-70 |
IntegrationID
N/A 180333 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 159.50 mm6.280 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-160 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P155 S-70 |
IntegrationID
N/A 180331 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 154.50 mm6.083 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A P-155 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |