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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.
JIS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

ID Tolerance

JIS Number

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O-Ring Industries

Quantity
G100 S-70 N/A
180261
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 99.40 mm3.913 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-100 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G105 S-70 N/A
180262
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 104.40 mm4.110 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-105 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G110 S-70 N/A
180263
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 109.40 mm4.307 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-110 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G115 S-70 N/A
180264
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 114.40 mm4.504 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-115 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G120 S-70 N/A
180265
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 119.40 mm4.701 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-120 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G125 S-70 N/A
180266
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 124.40 mm4.898 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-125 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G130 S-70 N/A
180267
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 129.40 mm5.094 in N/A 0.004 in0.10 mm N/A 0.024 in0.60 mm N/A G-130 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G135 S-70 N/A
180268
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 134.40 mm5.291 in N/A 0.004 in0.10 mm N/A 0.024 in0.60 mm N/A G-135 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G140 S-70 N/A
180269
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 139.40 mm5.488 in N/A 0.004 in0.10 mm N/A 0.024 in0.60 mm N/A G-140 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G145 S-70 N/A
180270
N/A JIS Standard O-Ring N/A Silicone N/A 0.122 in3.10 mm N/A 70 N/A 144.40 mm5.685 in N/A 0.004 in0.10 mm N/A 0.024 in0.60 mm N/A G-145 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G150 S-70 N/A
180271
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 149.30 mm5.878 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-150 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G155 S-70 N/A
180272
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 154.30 mm6.075 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-155 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G160 S-70 N/A
180273
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 159.30 mm6.272 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-160 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G165 S-70 N/A
180274
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 164.30 mm6.469 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-165 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G170 S-70 N/A
180275
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 169.30 mm6.665 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-170 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G175 S-70 N/A
180276
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 174.30 mm6.862 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-175 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G180 S-70 N/A
180277
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 179.30 mm7.059 in N/A 0.006 in0.15 mm N/A 0.024 in0.60 mm N/A G-180 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G185 S-70 N/A
180278
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 184.30 mm7.256 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-185 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G190 S-70 N/A
180279
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 189.30 mm7.453 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-190 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G195 S-70 N/A
180280
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 194.30 mm7.650 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-195 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G200 S-70 N/A
180281
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 199.3 mm7.846 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-200 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G210 S-70 N/A
180282
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 209.3 mm8.240 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-210 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G220 S-70 N/A
180283
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 219.3 mm8.634 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-220 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G230 S-70 N/A
180284
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 229.3 mm9.028 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-230 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G240 S-70 N/A
180285
N/A JIS Standard O-Ring N/A Silicone N/A 0.224 in5.70 mm N/A 70 N/A 239.3 mm9.421 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-240 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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