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Metric O-Rings are employed in specialized applications and, like the name suggests, are standardized by metric dimensions. With a wide variety of sizes available, Metric O-Rings fill in the gaps left by the standardized AS568 o-ring chart. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. 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.
Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

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Quantity
131 X 3 KALREZ-75 N/A
159195
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 3 KALREZ-90 N/A
159196
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 3.5 KALREZ-70 N/A
159197
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 70 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 3.5 KALREZ-75 N/A
159198
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 75 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 3.5 KALREZ-90 N/A
159199
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 90 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 4 KALREZ-70 N/A
159200
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 70 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 4 KALREZ-75 N/A
159201
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 75 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 4 KALREZ-90 N/A
159202
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 90 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 5 KALREZ-70 N/A
159203
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 70 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 5 KALREZ-75 N/A
159204
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 75 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131 X 5 KALREZ-90 N/A
159205
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 90 N/A 131.00 mm N/A O-rings are used in the military, automotive,
131.5 X 2 KALREZ-70 N/A
159206
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S132 N/A 2.00 mm N/A 70 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.5 X 2 KALREZ-75 N/A
159207
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S132 N/A 2.00 mm N/A 75 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.5 X 2 KALREZ-90 N/A
159208
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S132 N/A 2.00 mm N/A 90 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.5 X 4.5 KALREZ-70 N/A
159209
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 70 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.5 X 4.5 KALREZ-75 N/A
159210
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 75 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.5 X 4.5 KALREZ-90 N/A
159211
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 90 N/A 131.50 mm N/A O-rings are used in the military, automotive,
131.6 X 5.7 KALREZ-70 N/A
159212
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P132 N/A 5.70 mm N/A 70 N/A 131.60 mm N/A O-rings are used in the military, automotive,
131.6 X 5.7 KALREZ-75 N/A
159213
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P132 N/A 5.70 mm N/A 75 N/A 131.60 mm N/A O-rings are used in the military, automotive,
131.6 X 5.7 KALREZ-90 N/A
159214
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P132 N/A 5.70 mm N/A 90 N/A 131.60 mm N/A O-rings are used in the military, automotive,
132 X 2.5 KALREZ-70 N/A
159215
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 70 N/A 132.00 mm N/A O-rings are used in the military, automotive,
132 X 2.5 KALREZ-75 N/A
159216
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 75 N/A 132.00 mm N/A O-rings are used in the military, automotive,
132 X 2.5 KALREZ-90 N/A
159217
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 90 N/A 132.00 mm N/A O-rings are used in the military, automotive,
132 X 3 KALREZ-70 N/A
159218
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 132.00 mm N/A O-rings are used in the military, automotive,
132 X 3 KALREZ-75 N/A
159219
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 132.00 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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