Various nations and organizations have developed o ring sizing standards that are now used worldwide.
O ring sizes chart.
Custom o rings are available upon request and can typically be produced within a.
Thus the need for size standards which cover the most common sizes used.
Thousands of non standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit.
Because of its popularity there is virtually an unlimited number of possible sizes of an o ring.
Whether your application conforms to u s japanese jis british bs or common metric sizing for o rings these o ring size charts will help you locate the right o ring size.
An o ring is one of the most common types of seals in the world.
Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list.
The tables in the o ring size chart list approximately 2000 o ring sizes in order by inside diameter.
Use the o ring size chart to find the perfect as568 o rings for you.
O rings are used in a variety of applications in different industries around the world.
Thousands of common metric o rings and non standard o rings in metric sizes are available in stock.
Standard british o rings sizes.
Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application.
In de signing this new group of o rings we left spacing in the part numbers to allow us to add additional sizes should they be required.
Tolerances vary by use please see out tolerance pages.
Common metric o rings sizes.
We have millions of as568 o rings in stock which can be purchased easily through our o rings online store.
Please contact us if you are looking for a size not shown in the 5 32 group.
Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks typically without tooling fees.
Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections.
Nominal cross section o rings.
O rings are the most commonly used and widely available rubber sealing rings in the market.
These o ring sizes correspond to us standard as568 british standard swedish as well as many common metric sizes according to.
The proper o ring size is a fundamental aspect of proper o ring performance.
Browse our metric o ring size chart to view common metric o ring sizes and order o rings from the world s largest inventory network.