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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
110.49 X 6.99 KALREZ-90 N/A
158389 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 424 N/A 6.99 mm N/A 90 N/A 110.49 mm N/A O-rings are used in the military, automotive,
110.72 X 3.53 KALREZ-70 N/A
158390 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 246 N/A 3.53 mm N/A 70 N/A 110.72 mm N/A O-rings are used in the military, automotive,
110.72 X 3.53 KALREZ-75 N/A
158391 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 246 N/A 3.53 mm N/A 75 N/A 110.72 mm N/A O-rings are used in the military, automotive,
110.72 X 3.53 KALREZ-90 N/A
158392 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 246 N/A 3.53 mm N/A 90 N/A 110.72 mm N/A O-rings are used in the military, automotive,
110.74 X 1.78 KALREZ-70 N/A
158393 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS542 N/A 1.78 mm N/A 70 N/A 110.74 mm N/A O-rings are used in the military, automotive,
110.74 X 1.78 KALREZ-75 N/A
158394 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS542 N/A 1.78 mm N/A 75 N/A 110.74 mm N/A O-rings are used in the military, automotive,
110.74 X 1.78 KALREZ-90 N/A
158395 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A BS542 N/A 1.78 mm N/A 90 N/A 110.74 mm N/A O-rings are used in the military, automotive,
111 X 2.5 KALREZ-70 N/A
158396 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 2.5 KALREZ-75 N/A
158397 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 2.5 KALREZ-90 N/A
158398 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3 KALREZ-70 N/A
158399 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3 KALREZ-75 N/A
158400 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3 KALREZ-90 N/A
158401 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3.5 KALREZ-70 N/A
158402 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3.5 KALREZ-75 N/A
158403 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 3.5 KALREZ-90 N/A
158404 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 4 KALREZ-70 N/A
158405 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 4 KALREZ-75 N/A
158406 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 4 KALREZ-90 N/A
158407 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 5 KALREZ-70 N/A
158408 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 5 KALREZ-75 N/A
158409 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 5 KALREZ-90 N/A
158410 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 5.00 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 6 KALREZ-70 N/A
158411 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 6.00 mm N/A 70 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 6 KALREZ-75 N/A
158412 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 6.00 mm N/A 75 N/A 111.00 mm N/A O-rings are used in the military, automotive,
111 X 6 KALREZ-90 N/A
158413 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 6.00 mm N/A 90 N/A 111.00 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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