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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
10.5 X 2.7 KALREZ-75 N/A
157914 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.70 mm N/A 75 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 2.7 KALREZ-90 N/A
157915 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.70 mm N/A 90 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 3 KALREZ-70 N/A
157916 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 3 KALREZ-75 N/A
157917 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 3 KALREZ-90 N/A
157918 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 4.5 KALREZ-70 N/A
157919 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 70 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 4.5 KALREZ-75 N/A
157920 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 75 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.5 X 4.5 KALREZ-90 N/A
157921 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 90 N/A 10.50 mm N/A O-rings are used in the military, automotive,
10.52 X 1.83 KALREZ-70 N/A
157922 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 905 N/A 1.83 mm N/A 70 N/A 10.52 mm N/A O-rings are used in the military, automotive,
10.52 X 1.83 KALREZ-75 N/A
157923 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 905 N/A 1.83 mm N/A 75 N/A 10.52 mm N/A O-rings are used in the military, automotive,
10.52 X 1.83 KALREZ-90 N/A
157924 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 905 N/A 1.83 mm N/A 90 N/A 10.52 mm N/A O-rings are used in the military, automotive,
10.6 X 2.4 KALREZ-70 N/A
157925 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.40 mm N/A 70 N/A 10.60 mm N/A O-rings are used in the military, automotive,
10.6 X 2.4 KALREZ-75 N/A
157926 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.40 mm N/A 75 N/A 10.60 mm N/A O-rings are used in the military, automotive,
10.6 X 2.4 KALREZ-90 N/A
157927 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.40 mm N/A 90 N/A 10.60 mm N/A O-rings are used in the military, automotive,
10.69 X 3.53 KALREZ-70 N/A
157928 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 205 N/A 3.53 mm N/A 70 N/A 10.69 mm N/A O-rings are used in the military, automotive,
10.69 X 3.53 KALREZ-75 N/A
157929 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 205 N/A 3.53 mm N/A 75 N/A 10.69 mm N/A O-rings are used in the military, automotive,
10.69 X 3.53 KALREZ-90 N/A
157930 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 205 N/A 3.53 mm N/A 90 N/A 10.69 mm N/A O-rings are used in the military, automotive,
10.7 X 1.5 KALREZ-70 N/A
157931 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S11.2 N/A 1.50 mm N/A 70 N/A 10.70 mm N/A O-rings are used in the military, automotive,
10.7 X 1.5 KALREZ-75 N/A
157932 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S11.2 N/A 1.50 mm N/A 75 N/A 10.70 mm N/A O-rings are used in the military, automotive,
10.7 X 1.5 KALREZ-90 N/A
157933 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A S11.2 N/A 1.50 mm N/A 90 N/A 10.70 mm N/A O-rings are used in the military, automotive,
10.8 X 2.4 KALREZ-70 N/A
157934 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P11 N/A 2.40 mm N/A 70 N/A 10.80 mm N/A O-rings are used in the military, automotive,
10.8 X 2.4 KALREZ-75 N/A
157935 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P11 N/A 2.40 mm N/A 75 N/A 10.80 mm N/A O-rings are used in the military, automotive,
10.8 X 2.4 KALREZ-90 N/A
157936 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P11 N/A 2.40 mm N/A 90 N/A 10.80 mm N/A O-rings are used in the military, automotive,
10.82 X 1.78 KALREZ-70 N/A
157937 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 13 N/A 1.78 mm N/A 70 N/A 10.82 mm N/A O-rings are used in the military, automotive,
10.82 X 1.78 KALREZ-75 N/A
157938 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 13 N/A 1.78 mm N/A 75 N/A 10.82 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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