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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. Viton® is also known as: Fluorocarbon and FKM. Viton® is a registered trademarks of DuPont® Dow Elastomers.

A fluoroelastomer compound with a combination of exceptional mechanical properties and compression set resistance. This particular energizer gives an O-ring excellent memory and the ability to recover rapidly from deformation. This core has a Shore A hardness of 75 with a suggested operating temperature range of -10°F to +300°F (-23°C to +150°C) in encapsulated applications. 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
P250 V-75 N/A
178901 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 249.5 mm9.823 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-250 N/A N/A O-rings are used in the military defense and agriculture industries.
P250 V-90 N/A
178902 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 249.5 mm9.823 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-250 N/A N/A O-rings are used in the military defense and agriculture industries.
P255 V-75 N/A
178903 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 254.5 mm10.020 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-255 N/A N/A O-rings are used in the military defense and agriculture industries.
P255 V-90 N/A
178904 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 254.5 mm10.020 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-255 N/A N/A O-rings are used in the military defense and agriculture industries.
P26 V-75 N/A
178905 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 75 N/A 25.70 mm1.012 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-26 N/A N/A O-rings are used in the military defense and agriculture industries.
P26 V-90 N/A
178906 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 90 N/A 25.70 mm1.012 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-26 N/A N/A O-rings are used in the military defense and agriculture industries.v
P260 V-75 N/A
178907 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 259.5 mm10.217 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-260 N/A N/A O-rings are used in the military defense and agriculture industries.
P260 V-90 N/A
178908 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 259.5 mm10.217 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-260 N/A N/A O-rings are used in the military defense and agriculture industries.
P265 V-75 N/A
178909 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 264.5 mm10.413 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-265 N/A N/A O-rings are used in the military defense and agriculture industries.
P265 V-90 N/A
178910 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 264.5 mm10.413 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-265 N/A N/A O-rings are used in the military defense and agriculture industries.
P270 V-75 N/A
178911 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 269.5 mm10.610 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-270 N/A N/A O-rings are used in the military defense and agriculture industries.
P270 V-90 N/A
178912 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 269.5 mm10.610 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-270 N/A N/A O-rings are used in the military defense and agriculture industries.
P275 V-75 N/A
178913 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 274.50 mm10.807 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-275 N/A N/A O-rings are used in the military defense and agriculture industries.
P275 V-90 N/A
178914 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 274.50 mm10.807 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-275 N/A N/A O-rings are used in the military defense and agriculture industries.
P28 V-75 N/A
178915 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 75 N/A 27.70 mm1.091 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-28 N/A N/A O-rings are used in the military defense and agriculture industries.
P28 V-90 N/A
178916 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 90 N/A 27.70 mm1.091 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-28 N/A N/A O-rings are used in the military defense and agriculture industries.
P280 V-75 N/A
178917 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 279.50 mm11.004 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-280 N/A N/A O-rings are used in the military defense and agriculture industries.
P280 V-90 N/A
178918 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 279.50 mm11.004 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-280 N/A N/A O-rings are used in the military defense and agriculture industries.
P285 V-75 N/A
178919 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 284.50 mm11.201 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-285 N/A N/A O-rings are used in the military defense and agriculture industries.
P285 V-90 N/A
178920 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 90 N/A 284.50 mm11.201 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-285 N/A N/A O-rings are used in the military defense and agriculture industries.
P29 V-75 N/A
178921 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 75 N/A 28.70 mm1.130 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29 N/A N/A O-rings are used in the military defense and agriculture industries.v
P29 V-90 N/A
178922 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 90 N/A 28.70 mm1.130 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29 N/A N/A O-rings are used in the military defense and agriculture industries.
P29.5 V-75 N/A
178923 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 75 N/A 29.20 mm1.150 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29.5 N/A N/A O-rings are used in the military defense and agriculture industries.
P29.5 V-90 N/A
178924 		N/A JIS Standard O-Ring N/A Viton N/A 0.138 in3.50 mm N/A 90 N/A 29.20 mm1.150 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29.5 N/A N/A O-rings are used in the military defense and agriculture industries.
P290 V-75 N/A
178925 		N/A JIS Standard O-Ring N/A Viton N/A 0.331 in8.40 mm N/A 75 N/A 289.50 mm11.398 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-290 N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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