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We make getting O-Rings easy! Check O-Ring inventory and buy O-Rings online 24/7.

O-Ring Shelf Life Recommendation per ARP 5316

O-Ring shelf life is the amount of "storage life" generally understood as the maximum time (beginning with manufacture date) that an O-Ring or Hydraulic Seal that is properly packaged and stored under specific conditions becomes "Expired" if not put into service for its original purpose. Just like Milk, Chloroprene (Neoprene), Hydrogenated Nitrile, HNBR or HSN, Buna-N (Nitrile or NBR), Polyurethane (Polyester or Polyether) Millable and Industrial Cast Urethane have a shelf life and need to be put into service before the "Expiration Date". Most suppliers can not or will not provide you the information and could be knowingly or unknowingly providing you expired product.

The O-Ring Store LLC "Certificate of Conformance" is available upon request. We certify this product has been manufactured in accordance to all required specifications, have been stored properly and are within usable shelf life limits. The Buna-N FDA, EPDM FDA, Silicone FDA and FKM Viton FDA material meets the requirements of the U.S. Code of Federal regulations, Title 21 (Food and Drugs), Part 177, Subpart C Section 177.2600.

AS568 O-RING INCH SIZES

AS568 is the Aerospace Size Standard for O-rings from the Society of Automotive Engineers. The O-Ring Store LLC manufactures and supplies the complete range of standard AS568 sizes in a wide range of elastomeric O-ring materials. Link to the Compounds and O-Ring sizes, grouped by cross-section and listed numerically by inside diameter. AS568 O-Rings To make it easy you can search for all compounds by size, just use "AS568-010" in the search box.

METRIC O-RINGS - STANDARD, EUROPEAN, AND JAPANESE SIZES

The O-Ring Store LLC manufactures and supplies a complete range of Metric O-Rings in ISO3601 International Organization for Standardization, British Standard BS1806 O-ring sizes (imperial) -replaced by ISO3601 standard, British Standard BS4518 Metric O-ring Sizes and Japanese Standard JIS B 2401 (P, G and V) O-ring sizes. Link to the Compounds and O-Ring sizes, grouped by cross-section and listed numerically by inside diameter. Metric O-Rings To make it easy you can search for all compounds by size, just use the cross section X inside diameter x "2.00X024" in the search box.


We started as a simple online company taking care of a precious few people. Our circle of business friends has grown over the years and taking care of them is more satisfying than ever. We take care of our customers' Standard O-Rings, Metric O-Rings, Vulcanized O-Rings, and Custom O-Rings. Just place your O-Ring order online and we will take care of you too.

We are a family owned and operated Distributor and Manufacturer of O-Rings, O-Ring Kits, OSK™ O-Ring Service Kits, Hydraulic Seals, Adhesives, Lubricants, Braided Packings, Coatings, O-Ring Cord, Lathe Cut, Oil and Shaft Seals, Gaskets, Retaining Rings, Molded Packings, Seals, and Molded Rubber Products.

We serve many industries, including manufacturing, chemical processing, defense, power generation, agricultural, water treatment and filtration, hydraulics, fluid power, heavy truck, automotive, aerospace, oil and gas, medical and life sciences, food and beverage, electronics and industrial controls, refineries, and supply chain suppliers. Each industry and each customer have unique requirements that make them special. We love sharing customer stories and applications at our weekly store meeting.