Products » O-Rings
NCS carries a variety of O-rings from standard AS568A, JIS and Metric in stock in various compounds. We also carry Back Up Rings, Square Rings, Viton® O-Rings and Quad-Rings® in a variety of materials.
Our NorthCo Metrics division can identify and source virtually all your metric product needs. We offer a variety of materials for all product types.
In addition, we offer a full range of metric O-rings in both standard and more exotic materials. We also offer large and heavy-duty seals and v-packings for the forging and steel industry.
NorthCo Metrics can also supply a full range of rod and piston seals for all fluid power applications. Contact us today for more information or to tell us about your o-ring needs!
- Buna-N (Nitrile)
- Viton®* (Fluorocarbon)
- EPDM (Ethylene Propylene)
- Teflon® (PTFE)
- Natural Rubber
- Hydrogenated Nitrile Rubber (HNBR)
- Carboxylated Nitrile
- Hypalon® *
- Geolast® (Advanced Elastomer System)
- Rubber Urethane
- Soft Iron
- Mild Steels
- Annealed Nickel
- Stainless Steel
* DuPont Performance Elastomers | § Product of Green Tweed
† Product of Simrit | ‡ Product of ACG Chemicals
For a complete list of standard AS568A O-ring sizes, download our O-ring Size Reference Guide. We supply the complete range of inch and metric sizes in a wide variety of elastomeric O-ring materials. We are also your single source for inch and metric seals!
Compression Molded Large O-Rings
One cross section > One production line > Dimensions without limits!
No need to worry about the sizes of molds and presses! This new production system outputs large o-rings at any dimension you need and with the highest mechanical properties.
Click here for information on our compression molded large o-rings.
Specialized NSF Compounds