![](https://www.mfpseals.com/sites/default/files/images/profiles/OR_3D_270_Black.png) | AS568 O-RingsMFP Seals produces O-Rings in inch and metric sizes. The inch sizes are produced to the Aerospace Standard 568 published by the Society of Automotive Engineers. These inch size O Rings are designated by a dash number referenced on the AS568C chart. This standard for O-Rings contains 379 sizes and MFP Seals stocks them in a wide range of materials. Common stock materials for these inch size O-Rings range from Aflas®, Ethylene Propylene (EPM, EPDM, EPR), Fluorocarbon (FKM, Viton® Fluorel®), Fluorosilicone, Highly Saturated Nitrile (HSN, HNBR), Neoprene®, Nitrile (Buna-N), Perfluoroelastomers, PTFE (Teflon®), Silicone, Urethane, FEP Encapsulated and more… |
![](https://www.mfpseals.com/sites/default/files/images/profiles/OR_3D_270_Black.png) | AS568 Perfluoroelastomer (FFKM) O-RingsMFP Seals offers a full range of perfluoroelastomer O-Rings for use in a wide range of industries. For use in industrial, food & Drug, Semiconductor or Aerospace MFP Seals has a perfluoroelastomer O-Ring for you. MFP Seals perfluoroelastomer O-Rings are produced using materials that have been cross-linked using peroxide or a patented cross-linking system. This process ensures excellent chemical resistance, high temperature resistance as well as low temperature flexibility. Choose from a wide range of compounds to select a grade that is right for your application. MFP Seals stocks a range of its own Fluorochem® Perfluoroelastomer grades as well as a full range of Simriz compounds. |
![](https://www.mfpseals.com/sites/default/files/images/profiles/bu_bn90_vt90_cont.png) | Back-Up Rings for AS568 O-Rings MFP Seals produces Backup rings that are designed to keep O-Rings from extruding as well as Backup rings for U-Cups applications. These Back-up Rings are produced in either a contoured design, Split (MS28774) or Solid (MS27595) configuration and a wide range of materials are used to fit your application. You will find stock materials such as Fluorocarbon (FKM, Viton® Fluorel®), Hytrel®, Nitrile (Buna-N), Polyether Ether Ketone (PEEK™), PTFE (Teflon®), & Urethane. |
![](https://www.mfpseals.com/sites/default/files/images/profiles/bu_3d_ur95_solid.png) | Back Up Rings for U Cup Seals |
![](https://www.mfpseals.com/sites/default/files/images/profiles/OR_3D_270_Black.png) | Metric O-RingsMFP Seals produces a broad range of both European and Japanese Industrial Standard O-Rings. Producing to the British Standard BS 1806, French Standard NFT47-501, German Standard DIN 3771, International Standard ISO 3601-1, Japanese Industrial Standard JIS B 2401, & Swedish Standard SMS 1586. Common stock materials for these metric O-Rings are Fluorocarbon (FKM, Viton® Fluorel®) & Nitrile (Buna-N) but MFP has tooling and is capable of producing metric O-Rings from just about any material you would require. |
![](https://www.mfpseals.com/sites/default/files/images/profiles/bu_3d_virgteflon_split.png) | Metric Back-Up Rings for O-Ring Groove |
![](https://www.mfpseals.com/sites/default/files/images/profiles/bu_3d_270_bft.png) | Metric Back Up Rings for U Cup Seals |
![](https://www.mfpseals.com/sites/default/files/images/profiles/xRing.gif) | X-Ring Seals |
![](https://www.mfpseals.com/sites/default/files/images/profiles/squareCutRing.gif) | Square Ring Seals |
![](https://www.mfpseals.com/sites/default/files/images/profiles/splitFlangeSeal.gif) | Split Flange Seals |
![](https://www.mfpseals.com/sites/default/files/images/profiles/OringCord.gif) | O-Ring Cord Extrusion |