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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.

This elastomer is a copolymer of Tetrafluoroethylene (TFE) and propylene. Its chemical resistance is excellent across a wide range of aggressive media. 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

Call for a Quote

Quantity
138 X 2.5 AFLAS-75 N/A
142571 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 2.5 AFLAS-83 N/A
142572 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 3 AFLAS-75 N/A
142573 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 3 AFLAS-83 N/A
142574 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 3.5 AFLAS-75 N/A
142575 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.50 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 3.5 AFLAS-83 N/A
142576 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.50 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 4 AFLAS-75 N/A
142577 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.00 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 4 AFLAS-83 N/A
142578 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.00 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 5 AFLAS-75 N/A
142579 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 5.00 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 5 AFLAS-83 N/A
142580 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 5.00 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 6 AFLAS-75 N/A
142581 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 6.00 mm N/A 75 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138 X 6 AFLAS-83 N/A
142582 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 6.00 mm N/A 83 N/A 138.00 mm N/A O-rings are used in the military, automotive,
138.94 X 1.78 AFLAS-75 N/A
142583 		N/A Metric Standard O-Ring N/A Aflas N/A BS551 N/A 1.78 mm N/A 75 N/A 138.94 mm N/A O-rings are used in the military, automotive,
138.94 X 1.78 AFLAS-83 N/A
142584 		N/A Metric Standard O-Ring N/A Aflas N/A BS551 N/A 1.78 mm N/A 83 N/A 138.94 mm N/A O-rings are used in the military, automotive,
139 X 2.5 AFLAS-75 N/A
142585 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 2.5 AFLAS-83 N/A
142586 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 83 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 3 AFLAS-75 N/A
142587 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 3 AFLAS-83 N/A
142588 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 83 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 3.5 AFLAS-75 N/A
142589 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.50 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 3.5 AFLAS-83 N/A
142590 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.50 mm N/A 83 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 4 AFLAS-75 N/A
142591 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.00 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 4 AFLAS-83 N/A
142592 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.00 mm N/A 83 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 4.2 AFLAS-75 N/A
142593 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.20 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 4.2 AFLAS-83 N/A
142594 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.20 mm N/A 83 N/A 139.00 mm N/A O-rings are used in the military, automotive,
139 X 5 AFLAS-75 N/A
142595 		N/A Metric Standard O-Ring N/A Aflas N/A N/A 5.00 mm N/A 75 N/A 139.00 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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