PRODUCTS . Line Card . O-Ring . O-Ring Kits . Cords . Custom Parts . Hydraulic Seals . U-Cups ENGINEERING . ASTM . Compatibility . Gland Design . Hardness . Materials . Permeation . Shelf Life . Temperature . Tensile Strength . Test Data . Tolerances INDUSTRIES . Automotive . Biomedical . Electronics . Fire Suppression . Fluid Power . Food / FDA / NSF . Military / Defense . Oil / Chemical . Semiconductor CONTACT US . How to contact us . Ask Us Anything! The world's largest selection of military specification O-Rings. You've discovered O-Rings, Inc. the first name in O-Ring since 1958 with the right attitude, the best service, and value. You can find everything you need to know about O-Rings on our web site. We built this site just for you. We have gone the great lengths to get you here, and even greater amount of thoughts and energy was spent to make sure you find what you need on this web site. Since 1958 reliability. Billions and billions in service U.S. Congressional Special Recognition Recipient Department of Defense Cage: 10464 Quality Assurance: MIL-I-45208 O-Rings by Material » EPDM 70 NSF » FFKM Perfluoroelastomer » FKM Viton 75 Black » FKM Viton 75 Brown » FKM Viton 90 Black » HNBR 70 » Neoprene CR70 » Nitrile BN70 » Nitrile BN70 FDA » Nitrile BN90 » Polyacrylate PA70 » PolyUrethane PU70 Industrial Use » PolyUrethane PU90 Industrial Use » PolyUrethane PU70 For Paintball Markers » PolyUrethane PU90 For Paintball Markers » Silicone S70 FDA Red » PTFE Solid O-Ring White » Quad Rings » Metric Sizes (MM DIN) O-Rings By Application » Chemical - General » Chemical - Extreme » Drive Belt » Food - FDA » Fuel - Diesel » Fuel - Gasoline » Fuel - Jet » Fuel - MTBE » Gas - Helium » Gas - LPG » Gas - Natural Gas » Gas - Atmosphere Ozone » Gas - High Temperature » Hydraulic Fluid » Lube - Aerospace » Lube - Automotive » Water - NSF » Water - Beer, Whisky, Wine » Water - General » Other Application Not Listed Military and Aerospace » AS3578 (Aerospace Nitrile) » AS3582 (Aerospace Silicone) » M25988/1 (FluoroSilicone 70) » M25988/2 (FluoroSilicone 75) » M25988/3 (FluoroSilicone 60) » M25988/4 (FluoroSilicone 80) » MS35489 (Grommet) » M83248/1 (Military Viton 75) » M83248/2 (Military Viton 90) » M83485/1 (Military Viton GLT) » M83461/1A (Nitrile) » MS27595 (PTFE Solid backup) » MS28774 (PTFE Split Backup) » MS28775 (Nitrile Nitrile 75) » MS28778 (Military Nitrile 90) » MS28782 (PTFE spiral backup) » MS29513 (Nitrile Nitrile 65) » NAS1611, NAS1612 (Aerospace EP) Kits » O-Rings Kits » Make Your Own Rubber Kits » Splice Kits » Lubes, Measuring Cones, Calipers, Extractors References » Custom Molded Rubber Quote » Engineers Only » Material Selection » Size Chart » Shelf Life » Terms and Conditions » Virtual Factory Tour All materials contained in this website is copyrighted. Copyright 2014 O-Rings, Inc. All rights reserved. ® Each respective company owns respective trade marks. By visiting our site, you are accepting our terms of use and legal restrictions