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 Buy a copy of our O-ring Reference HandbookA full reference guide to AS568 sizing, MIL-SPEC reference guide, static O-ring gland design and material properties reference chart. All in a handheld spiral bound, and laminated booklet. Click to request a copy and find out more. 
 
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 We stock everything from the conventional to the unconventional. The AS568, “Aerospace Size Standard for O-Rings” is generally considered the U.S. size standard. No matter what you’re looking for, we have it or we can source it. The one thing our products have in common is they’re the industry’s best.
We stock everything from the conventional to the unconventional. The AS568, “Aerospace Size Standard for O-Rings” is generally considered the U.S. size standard. No matter what you’re looking for, we have it or we can source it. The one thing our products have in common is they’re the industry’s best.