Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees.
O ring seal standard sizes.
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.
We are also here to guide you through the sizing process.
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.
We offer metric o rings in standard sizes and provide custom o ring options using specialty materials durometers and or colors.
And metric o ring sizes quad ring seals rubber x ring seals rubber square ring seals.
The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings.
That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters.
Global o ring and seal carries a full line of o rings in all standard as568 and most metric sizes.
Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world.
An o ring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it.
Refer to our standard o ring size chart to find usa as568 o ring dimensions.
The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap.
That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters.
Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware.
The normal o ring sizes herein shown are based upon a 70 durometer nitrile standard.
For other o ring materials be sure to consult your apple representative.
O ring tolerances vary by use please refer to our o ring.
Give us a call at 832 448 5550 to speak with an industry expert or if you are local to the houston area come visit us at our will call department for more help on sizing o rings.
Thus the need for size standards which cover the most common sizes used.
The proper o ring size is a fundamental aspect of proper o ring performance.
O ring gland design for dynamic seals o ring gland design for static seals standard o rings 800 828 7745 u s.
Because of its popularity there is virtually an unlimited number of possible sizes of an o ring.
Non standard o rings in metric sizes.
The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings.
