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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. Neoprene is also known as Chloroprene.

Neoprene resists fats, oils and petroleum products. Stands up well in sunlight. Low flammability - burns when exposed to flames, but self-extinguishes when flame is removed. Generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. 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
P175 C-70 N/A
179556
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 174.50 mm6.870 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-175 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P18 C-70 N/A
179557
N/A JIS Standard O-Ring N/A Neoprene N/A 0.094 in2.40 mm N/A 70 N/A 17.80 mm0.701 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-18 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P180 C-70 N/A
179558
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 179.50 mm7.067 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-180 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P185 C-70 N/A
179559
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 184.50 mm7.264 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-185 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P190 C-70 N/A
179560
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 189.50 mm7.461 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-190 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P195 C-70 N/A
179561
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 194.50 mm7.657 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-195 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P20 C-70 N/A
179562
N/A JIS Standard O-Ring N/A Neoprene N/A 0.094 in2.40 mm N/A 70 N/A 19.80 mm0.780 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-20 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P200 C-70 N/A
179563
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 199.5 mm7.854 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-200 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P205 C-70 N/A
179564
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 204.5 mm8.051 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-205 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P209 C-70 N/A
179565
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 208.5 mm8.209 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-209 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P21 C-70 N/A
179566
N/A JIS Standard O-Ring N/A Neoprene N/A 0.094 in2.40 mm N/A 70 N/A 20.80 mm0.819 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-21 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P210 C-70 N/A
179567
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 209.5 mm8.248 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-210 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P215 C-70 N/A
179568
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 214.5 mm8.445 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-215 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P22 C-70 N/A
179569
N/A JIS Standard O-Ring N/A Neoprene N/A 0.094 in2.40 mm N/A 70 N/A 21.80 mm0.858 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-22 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P22.4 C-70 N/A
179570
N/A JIS Standard O-Ring N/A Neoprene N/A 0.138 in3.50 mm N/A 70 N/A 22.10 mm0.870 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22.4 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P220 C-70 N/A
179571
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 219.5 mm8.642 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-220 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P225 C-70 N/A
179572
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 224.5 mm8.839 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-225 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P22A C-70 N/A
179573
N/A JIS Standard O-Ring N/A Neoprene N/A 0.138 in3.50 mm N/A 70 N/A 21.70 mm0.854 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P230 C-70 N/A
179574
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 229.5 mm9.035 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-230 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P235 C-70 N/A
179575
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 234.5 mm9.232 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-235 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P24 C-70 N/A
179576
N/A JIS Standard O-Ring N/A Neoprene N/A 0.138 in3.50 mm N/A 70 N/A 23.70 mm0.933 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-24 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P240 C-70 N/A
179577
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 239.5 mm9.429 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-240 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P245 C-70 N/A
179578
N/A JIS Standard O-Ring N/A Neoprene N/A 0.331 in8.40 mm N/A 70 N/A 244.5 mm9.626 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-245 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P25 C-70 N/A
179579
N/A JIS Standard O-Ring N/A Neoprene N/A 0.138 in3.50 mm N/A 70 N/A 24.70 mm0.972 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P25.5 C-70 N/A
179580
N/A JIS Standard O-Ring N/A Neoprene N/A 0.138 in3.50 mm N/A 70 N/A 25.20 mm0.992 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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