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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

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Quantity
18.3 X 3.6 AFLAS-75 N/A
143527
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.60 mm N/A 75 N/A 18.30 mm N/A O-rings are used in the military, automotive,
18.3 X 3.6 AFLAS-83 N/A
143528
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.60 mm N/A 83 N/A 18.30 mm N/A O-rings are used in the military, automotive,
18.4 X 2.7 AFLAS-75 N/A
143529
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.70 mm N/A 75 N/A 18.40 mm N/A O-rings are used in the military, automotive,
18.4 X 2.7 AFLAS-83 N/A
143530
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.70 mm N/A 83 N/A 18.40 mm N/A O-rings are used in the military, automotive,
18.42 X 5.33 AFLAS-75 N/A
143531
N/A Metric Standard O-Ring N/A Aflas N/A 314 N/A 5.33 mm N/A 75 N/A 18.42 mm N/A O-rings are used in the military, automotive,
18.42 X 5.33 AFLAS-83 N/A
143532
N/A Metric Standard O-Ring N/A Aflas N/A 314 N/A 5.33 mm N/A 83 N/A 18.42 mm N/A O-rings are used in the military, automotive,
18.5 X 1 AFLAS-75 N/A
143533
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.00 mm N/A 75 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 1 AFLAS-83 N/A
143534
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.00 mm N/A 83 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 1.5 AFLAS-75 N/A
143535
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.50 mm N/A 75 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 1.5 AFLAS-83 N/A
143536
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.50 mm N/A 83 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 2 AFLAS-75 N/A
143537
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.00 mm N/A 75 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 2 AFLAS-83 N/A
143538
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.00 mm N/A 83 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 2.5 AFLAS-75 N/A
143539
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 75 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 2.5 AFLAS-83 N/A
143540
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 83 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 3 AFLAS-75 N/A
143541
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 75 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.5 X 3 AFLAS-83 N/A
143542
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 83 N/A 18.50 mm N/A O-rings are used in the military, automotive,
18.6 X 2.4 AFLAS-75 N/A
143543
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.40 mm N/A 75 N/A 18.60 mm N/A O-rings are used in the military, automotive,
18.6 X 2.4 AFLAS-83 N/A
143544
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.40 mm N/A 83 N/A 18.60 mm N/A O-rings are used in the military, automotive,
18.6 X 2.7 AFLAS-75 N/A
143545
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.70 mm N/A 75 N/A 18.60 mm N/A O-rings are used in the military, automotive,
18.6 X 2.7 AFLAS-83 N/A
143546
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.70 mm N/A 83 N/A 18.60 mm N/A O-rings are used in the military, automotive,
18.64 X 3.53 AFLAS-75 N/A
143547
N/A Metric Standard O-Ring N/A Aflas N/A 210 N/A 3.53 mm N/A 75 N/A 18.64 mm N/A O-rings are used in the military, automotive,
18.64 X 3.53 AFLAS-83 N/A
143548
N/A Metric Standard O-Ring N/A Aflas N/A 210 N/A 3.53 mm N/A 83 N/A 18.64 mm N/A O-rings are used in the military, automotive,
18.72 X 2.62 AFLAS-75 N/A
143549
N/A Metric Standard O-Ring N/A Aflas N/A 116 N/A 2.62 mm N/A 75 N/A 18.72 mm N/A O-rings are used in the military, automotive,
18.72 X 2.62 AFLAS-83 N/A
143550
N/A Metric Standard O-Ring N/A Aflas N/A 116 N/A 2.62 mm N/A 83 N/A 18.72 mm N/A O-rings are used in the military, automotive,
18.77 X 1.78 AFLAS-75 N/A
143551
N/A Metric Standard O-Ring N/A Aflas N/A 18 N/A 1.78 mm N/A 75 N/A 18.77 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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