Fast Dash ™ O-ring Application Design Guide

Use our free design tables for AS-568A standard industrial reciprocating and static o-ring applications. Select the type of application you are designing for to view the corresponding design guidelines.  Rod Seal -  I.D. designed End Cap Seal - I.D. designed Piston Seal - O.D. designed Plug Seal - O.D. designed Flange Seal - O.D./I.D. designed

To get the dimensions of an AS-568A o-ring submit the dash number. To get a dash number based on dimensions select the cross-section and either the actual ID, or the actual OD. Then press submit to get your "Fast Dash"™ answer. Dash No.    Cross-Section: (inches) .070 .103 .139 .210 .275 Actual ID  Actual OD   For Metric (mm) - click here

AS-568A Dash Numbers and Cross-section Table

O-RING SIZE AS-568 Dash Numbers	Cross Section Nominal inches	Cross Section Actual inches	Tolerance +/- inches
-004 thru -050	1/16	.070	.003
-102 thru -178	3/32	.103	.003
-201 thru -284	1/8	.139	.004
-309 thru -395	3/16	.210	.005
-425 thru -475	1/4	.275	.006

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