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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
2.54 X 0.9 KALREZ-70 N/A
161432
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 0.90 mm N/A 70 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.54 X 0.9 KALREZ-75 N/A
161433
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 0.90 mm N/A 75 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.54 X 0.9 KALREZ-90 N/A
161434
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 0.90 mm N/A 90 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.54 X 1.02 KALREZ-70 N/A
161435
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS607 N/A 1.02 mm N/A 70 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.54 X 1.02 KALREZ-75 N/A
161436
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS607 N/A 1.02 mm N/A 75 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.54 X 1.02 KALREZ-90 N/A
161437
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS607 N/A 1.02 mm N/A 90 N/A 2.54 mm N/A O-rings are used in the military, automotive,
2.57 X 1.78 KALREZ-70 N/A
161438
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 5 N/A 1.78 mm N/A 70 N/A 2.57 mm N/A O-rings are used in the military, automotive,
2.57 X 1.78 KALREZ-75 N/A
161439
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 5 N/A 1.78 mm N/A 75 N/A 2.57 mm N/A O-rings are used in the military, automotive,
2.57 X 1.78 KALREZ-90 N/A
161440
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 5 N/A 1.78 mm N/A 90 N/A 2.57 mm N/A O-rings are used in the military, automotive,
2.6 X 1.2 KALREZ-70 N/A
161441
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.20 mm N/A 70 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 1.2 KALREZ-75 N/A
161442
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.20 mm N/A 75 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 1.2 KALREZ-90 N/A
161443
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.20 mm N/A 90 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 1.9 KALREZ-70 N/A
161444
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.90 mm N/A 70 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 1.9 KALREZ-75 N/A
161445
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.90 mm N/A 75 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 1.9 KALREZ-90 N/A
161446
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.90 mm N/A 90 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 2 KALREZ-70 N/A
161447
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 70 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 2 KALREZ-75 N/A
161448
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 75 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.6 X 2 KALREZ-90 N/A
161449
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 90 N/A 2.60 mm N/A O-rings are used in the military, automotive,
2.7 X 1 KALREZ-70 N/A
161450
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.00 mm N/A 70 N/A 2.70 mm N/A O-rings are used in the military, automotive,
2.7 X 1 KALREZ-75 N/A
161451
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.00 mm N/A 75 N/A 2.70 mm N/A O-rings are used in the military, automotive,
2.7 X 1 KALREZ-90 N/A
161452
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.00 mm N/A 90 N/A 2.70 mm N/A O-rings are used in the military, automotive,
2.75 X 1.6 KALREZ-70 N/A
161453
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.60 mm N/A 70 N/A 2.75 mm N/A O-rings are used in the military, automotive,
2.75 X 1.6 KALREZ-75 N/A
161454
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.60 mm N/A 75 N/A 2.75 mm N/A O-rings are used in the military, automotive,
2.75 X 1.6 KALREZ-90 N/A
161455
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.60 mm N/A 90 N/A 2.75 mm N/A O-rings are used in the military, automotive,
2.8 X 1.5 KALREZ-70 N/A
161456
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.50 mm N/A 70 N/A 2.80 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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