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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
31.34 X 3.53 AFLAS-75 N/A
145787
N/A Metric Standard O-Ring N/A Aflas N/A 218 N/A 3.53 mm N/A 75 N/A 31.34 mm N/A O-rings are used in the military, automotive,
31.34 X 3.53 AFLAS-83 N/A
145788
N/A Metric Standard O-Ring N/A Aflas N/A 218 N/A 3.53 mm N/A 83 N/A 31.34 mm N/A O-rings are used in the military, automotive,
31.42 X 2.62 AFLAS-75 N/A
145789
N/A Metric Standard O-Ring N/A Aflas N/A 124 N/A 2.62 mm N/A 75 N/A 31.42 mm N/A O-rings are used in the military, automotive,
31.42 X 2.62 AFLAS-83 N/A
145790
N/A Metric Standard O-Ring N/A Aflas N/A 124 N/A 2.62 mm N/A 83 N/A 31.42 mm N/A O-rings are used in the military, automotive,
31.47 X 1.78 AFLAS-75 N/A
145791
N/A Metric Standard O-Ring N/A Aflas N/A 26 N/A 1.78 mm N/A 75 N/A 31.47 mm N/A O-rings are used in the military, automotive,
31.47 X 1.78 AFLAS-83 N/A
145792
N/A Metric Standard O-Ring N/A Aflas N/A 26 N/A 1.78 mm N/A 83 N/A 31.47 mm N/A O-rings are used in the military, automotive,
31.5 X 1.5 AFLAS-75 N/A
145793
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.50 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 1.5 AFLAS-83 N/A
145794
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.50 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2 AFLAS-75 N/A
145795
N/A Metric Standard O-Ring N/A Aflas N/A S32 N/A 2.00 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2 AFLAS-83 N/A
145796
N/A Metric Standard O-Ring N/A Aflas N/A S32 N/A 2.00 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2.5 AFLAS-75 N/A
145797
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2.5 AFLAS-83 N/A
145798
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.50 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2.65 AFLAS-75 N/A
145799
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.65 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 2.65 AFLAS-83 N/A
145800
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.65 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 3 AFLAS-75 N/A
145801
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 3 AFLAS-83 N/A
145802
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.00 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 3.55 AFLAS-75 N/A
145803
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.55 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 3.55 AFLAS-83 N/A
145804
N/A Metric Standard O-Ring N/A Aflas N/A N/A 3.55 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 4.5 AFLAS-75 N/A
145805
N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.50 mm N/A 75 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.5 X 4.5 AFLAS-83 N/A
145806
N/A Metric Standard O-Ring N/A Aflas N/A N/A 4.50 mm N/A 83 N/A 31.50 mm N/A O-rings are used in the military, automotive,
31.6 X 2.4 AFLAS-75 N/A
145807
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.40 mm N/A 75 N/A 31.60 mm N/A O-rings are used in the military, automotive,
31.6 X 2.4 AFLAS-83 N/A
145808
N/A Metric Standard O-Ring N/A Aflas N/A N/A 2.40 mm N/A 83 N/A 31.60 mm N/A O-rings are used in the military, automotive,
31.7 X 3.5 AFLAS-75 N/A
145809
N/A Metric Standard O-Ring N/A Aflas N/A P32 N/A 3.50 mm N/A 75 N/A 31.70 mm N/A O-rings are used in the military, automotive,
31.7 X 3.5 AFLAS-83 N/A
145810
N/A Metric Standard O-Ring N/A Aflas N/A P32 N/A 3.50 mm N/A 83 N/A 31.70 mm N/A O-rings are used in the military, automotive,
31.8 X 1 AFLAS-75 N/A
145811
N/A Metric Standard O-Ring N/A Aflas N/A N/A 1.00 mm N/A 75 N/A 31.80 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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