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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
P31 KALREZ-90 N/A
181391
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 90 N/A 30.70 mm1.209 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-31 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P31.5 KALREZ-70 N/A
181392
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 70 N/A 31.20 mm1.228 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P31.5 KALREZ-75 N/A
181393
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 75 N/A 31.20 mm1.228 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P31.5 KALREZ-90 N/A
181394
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 90 N/A 31.20 mm1.228 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-31.5 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P315 KALREZ-70 N/A
181395
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 70 N/A 314.50 mm12.382 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-315 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P315 KALREZ-75 N/A
181396
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 75 N/A 314.50 mm12.382 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-315 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P315 KALREZ-90 N/A
181397
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 90 N/A 314.50 mm12.382 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-315 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P32 KALREZ-70 N/A
181398
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 70 N/A 31.70 mm1.248 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-32 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P32 KALREZ-75 N/A
181399
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 75 N/A 31.70 mm1.248 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-32 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P32 KALREZ-90 N/A
181400
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 90 N/A 31.70 mm1.248 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-32 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P320 KALREZ-70 N/A
181401
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 70 N/A 319.50 mm12.579 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-320 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P320 KALREZ-75 N/A
181402
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 75 N/A 319.50 mm12.579 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-320 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P320 KALREZ-90 N/A
181403
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 90 N/A 319.50 mm12.579 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-320 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P335 KALREZ-70 N/A
181404
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 70 N/A 334.50 mm13.169 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-335 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P335 KALREZ-75 N/A
181405
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 75 N/A 334.50 mm13.169 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-335 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P335 KALREZ-90 N/A
181406
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 90 N/A 334.50 mm13.169 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-335 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P34 KALREZ-70 N/A
181407
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 70 N/A 33.70 mm1.327 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-34 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P34 KALREZ-75 N/A
181408
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 75 N/A 33.70 mm1.327 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-34 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P34 KALREZ-90 N/A
181409
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 90 N/A 33.70 mm1.327 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-34 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P340 KALREZ-70 N/A
181410
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 70 N/A 339.50 mm13.366 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-340 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P340 KALREZ-75 N/A
181411
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 75 N/A 339.50 mm13.366 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-340 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P340 KALREZ-90 N/A
181412
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.331 in8.40 mm N/A 90 N/A 339.50 mm13.366 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-340 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P35 KALREZ-70 N/A
181413
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 70 N/A 34.70 mm1.366 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P35 KALREZ-75 N/A
181414
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 75 N/A 34.70 mm1.366 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
P35 KALREZ-90 N/A
181415
N/A JIS Standard O-Ring N/A Perfluoroelastomer N/A 0.138 in3.50 mm N/A 90 N/A 34.70 mm1.366 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-35 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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