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Seals Eastern, Inc.,
134 Pearl Street
Red Bank, NJ 07701 USA
Tel: 732.747.9200 Fax: 732.747.3647
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Seals Eastern O-ring Application Design Guidelines
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"Fast Dash"™
Metric
To get the dimensions of an AS-568A o-ring in millimeters (mm) 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.
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Need an AFLAS® based O-ring overnight? Visit
"OringOnline"™.
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AS-568A Dash Numbers and Cross-section Table
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O-RING SIZE
AS-568
Dash Numbers |
Cross Section
Actual |
Tolerance +/- |
| -004 thru -050 |
1.78 mm |
.076 mm |
| -102 thru -178 |
2.62 mm |
.076 mm |
| -201 thru -284 |
3.53 mm |
.102 mm |
| -309 thru -395 |
5.33 mm |
.127 mm |
| -425 thru -475 |
6.99 mm |
.152 mm |
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Copyright © 2002 Seals Eastern, Inc.
AFLAS® is a registered trademark of Asahi Glass Co.
OringOnline™ is a trademark of Seals Eastern, Inc.
FastDash™ is a trademark of Seals Eastern, Inc.