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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. Perfluoroelastomer is also known as FKKM and Perfloro.

Parts resist over 1,800 different chemicals, while offering the high temperature stability of PTFE (327°C).They’re used in aggressive chemical processing, pharmaceutical, oil rcovery, gas recovery, and aerospace applications. The proven, long-term performance of Kalrez® parts can mean less repairs, seal changes, inspections and equipment uptime for greater productivity and yield. 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
G300 KALREZ-75 N/A
181141 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.224 in5.70 mm N/A 75 N/A 299.30 mm11.783 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-300 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G300 KALREZ-90 N/A
181142 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.224 in5.70 mm N/A 90 N/A 299.30 mm11.783 in N/A 0.006 in0.15 mm N/A 0.031 in0.80 mm N/A G-300 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G35 KALREZ-70 N/A
181143 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 34.40 mm1.354 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G35 KALREZ-75 N/A
181144 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 34.40 mm1.354 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G35 KALREZ-90 N/A
181145 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 34.40 mm1.354 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G40 KALREZ-70 N/A
181146 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 39.40 mm1.551 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-40 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G40 KALREZ-75 N/A
181147 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 39.40 mm1.551 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-40 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G40 KALREZ-90 N/A
181148 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 39.40 mm1.551 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A G-40 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G45 KALREZ-70 N/A
181149 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 44.40 mm1.748 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-45 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G45 KALREZ-75 N/A
181150 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 44.40 mm1.748 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-45 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G45 KALREZ-90 N/A
181151 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 44.40 mm1.748 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-45 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G50 KALREZ-70 N/A
181152 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 49.40 mm1.945 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-50 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G50 KALREZ-75 N/A
181153 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 49.40 mm1.945 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-50 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G50 KALREZ-90 N/A
181154 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 49.40 mm1.945 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-50 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G55 KALREZ-70 N/A
181155 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 54.40 mm2.142 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-55 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G55 KALREZ-75 N/A
181156 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 54.40 mm2.142 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-55 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G55 KALREZ-90 N/A
181157 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 54.40 mm2.142 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-55 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G60 KALREZ-70 N/A
181158 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 59.4 mm2.339 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-60 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G60 KALREZ-75 N/A
181159 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 59.4 mm2.339 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-60 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G60 KALREZ-90 N/A
181160 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 59.4 mm2.339 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-60 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G65 KALREZ-70 N/A
181161 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 64.40 mm2.535 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-65 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G65 KALREZ-75 N/A
181162 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 64.40 mm2.535 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-65 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G65 KALREZ-90 N/A
181163 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 90 N/A 64.40 mm2.535 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-65 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G70 KALREZ-70 N/A
181164 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 70 N/A 69.4 mm2.732 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-70 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
G70 KALREZ-75 N/A
181165 		N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.122 in3.10 mm N/A 75 N/A 69.4 mm2.732 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-70 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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