O-Rings, Hydraulic Seals, and Custom Vulcanized Seals — AS568 & Metric, ISO 9001:2015 Certified

O-Rings, Hydraulic Seals, and Vulcanized O-Rings — We Make getting O-Rings Easy!

We stock AS568 standard and metric O-Rings, hydraulic seals, oil seals, vulcanized O-Rings, and custom sealing solutions for OEMs, distributors, and MRO teams. Right now that means 55 million O-Rings on the floor at our Clarkston, Washington warehouse in the sizes and compounds people actually use, with another 150 million available through our factory network and in your hands in under a week. Buna-N, Viton, EPDM, Silicone, FFKM and specialty compounds, with live stock levels, full technical data, and quantity pricing on every product page. Vulcanized O-Rings are made right here in Washington, so large diameters and odd sizes do not have to wait on a boat.

Getting the right seal matters as much as getting one fast, so we back both. We are an ISO 9001:2015 certified O-Ring supplier, certificate 10604706, and every order ships with a signed Certificate of Conformance listing material, size, cure lot, at no charge and without you having to ask. For Qualified customers, we will not pull an O-Ring older than five years without your approval. If you need help sizing a seal, picking a compound, cross-referencing another manufacturer's part number, or checking chemical compatibility, visit our knowledge base The O-Ring Handbook, or call us at 208-413-6377. Our AI phone system answers with stock and product information, takes messages or puts you through to your sales contact, expediting, or customer service person. Email: sales@theoringstore.com