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Search our list of Metric O-Rings. O-Rings included on this list are either included in an International Standard, or measure in even mm increments. If you can't find your O-Ring seal in this group, be sure to check out "All O-Rings".
O-Ring Picture
Unit of Measure
Items Image
4-4
.10 mm C/S x .10 mm ID O-Ring
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5-275SS
.13 mm C/S x 7 mm ID O-Ring
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6-275ES
.15 mm C/S x 7 mm ID O-Ring
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7-275ES
.17 mm C/S x 7 mm ID O-Ring
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8-372
.2 mm C/S x 9.45 mm ID O-Ring
C/S Metric (mm) N/A .10 N/A .13 N/A .15 N/A .17 N/A .20
ID Metric (mm) N/A .10 N/A 7.00 N/A 7.00 N/A 7.00 N/A 9.45
OD Metric (mm) N/A .30 N/A 7.26 N/A 7.30 N/A 7.34 N/A 9.85
Std Shrink N/A Yes
Special Shrink N/A
Reference Size N/A
Material N/A Chloroprene Rubber (CR) (Neoprene®) Ethylene Propylene Diene Monomer (EPDM) Fluoroelastomer (FKM) Fluorosilicone Hydrogenated Nitrile Butadiene Rubber (HNBR) Hydrogenated Nitrile Butadiene Rubber (XNBR) Nitrile Butadiene Rubber (NBR) Perfluoroelastomer (FFKM) Silicone Tetrafluoroethylene Propylene (Aflas®) Urethane
Duro Range N/A 30 ±5 40 ±5 50 ±5 60 ±5 70 ±5 80 ±5 90 ±5
Class 7 Clean Room Medical Grade N/A Not Required Required