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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
S22.4 KALREZ-90 N/A
181616
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 21.90 mm0.862 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-22.4 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S24 KALREZ-70 N/A
181617
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 23.5 mm0.925 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-24 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S24 KALREZ-75 N/A
181618
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 23.5 mm0.925 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-24 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S24 KALREZ-90 N/A
181619
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 23.5 mm0.925 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-24 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S25 KALREZ-70 N/A
181620
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 24.50 mm0.965 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-25 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S25 KALREZ-75 N/A
181621
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 24.50 mm0.965 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-25 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S25 KALREZ-90 N/A
181622
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 24.50 mm0.965 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-25 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S26 KALREZ-70 N/A
181623
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 25.50 mm1.004 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-26 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S26 KALREZ-75 N/A
181624
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 25.50 mm1.004 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-26 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S26 KALREZ-90 N/A
181625
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 25.50 mm1.004 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-26 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S28 KALREZ-70 N/A
181626
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 27.50 mm1.083 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-28 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S28 KALREZ-75 N/A
181627
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 27.50 mm1.083 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-28 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S28 KALREZ-90 N/A
181628
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 27.50 mm1.083 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-28 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S29 KALREZ-70 N/A
181629
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 28.50 mm1.122 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-29 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S29 KALREZ-75 N/A
181630
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 28.50 mm1.122 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-29 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S29 KALREZ-90 N/A
181631
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 28.50 mm1.122 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-29 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S3 KALREZ-70 N/A
181632
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.059 in1.50 mm N/A 70 N/A 2.50 mm0.098 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-3 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S3 KALREZ-75 N/A
181633
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.059 in1.50 mm N/A 75 N/A 2.50 mm0.098 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-3 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S3 KALREZ-90 N/A
181634
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.059 in1.50 mm N/A 90 N/A 2.50 mm0.098 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-3 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S30 KALREZ-70 N/A
181635
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 29.50 mm1.161 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-30 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S30 KALREZ-75 N/A
181636
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 29.50 mm1.161 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-30 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S30 KALREZ-90 N/A
181637
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 29.50 mm1.161 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-30 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S31.5 KALREZ-70 N/A
181638
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 70 N/A 31.00 mm1.220 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S31.5 KALREZ-75 N/A
181639
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 75 N/A 31.00 mm1.220 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
S31.5 KALREZ-90 N/A
181640
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.079 in2.00 mm N/A 90 N/A 31.00 mm1.220 in N/A 0.004 in0.09 mm N/A 0.006 in0.15 mm N/A S-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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