Precision Associates, Inc.
Precision Associates, Inc.
3800 North Washington Ave.
Minneapolis, MN 55412-2142
Toll Free: 1-800-394-6590
Local: +1 612-333-7464
Sales: +1 612-334-9190
Fax: 612-342-2417
Email: [email protected]
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Search our list of Metric O-Rings. O-Rings included on this list are either included in an International Standard, or measure in even mm increments. If you can't find your O-Ring seal in this group, be sure to check out "All O-Rings".
O-Ring Picture
Unit of Measure
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Item #

C/S Metric (mm)

ID Metric (mm)

OD Metric (mm)

Std Shrink

Special Shrink

Reference Size

157-512VS N/A 4.00 N/A 13.1 N/A 12.1 N/A Yes N/A N/A
156-837ES N/A 4.00 N/A 21.40 N/A 29.40 N/A Yes N/A N/A
156-938SS N/A 4.00 N/A 24.20 N/A 32.20 N/A Yes N/A N/A
157-1.102 N/A 4.00 N/A 28.00 N/A 36.00 N/A Yes N/A N/A
157-1.181 N/A 4.00 N/A 30.0 N/A 38.00 N/A N/A Yes N/A
157-1.220 N/A 4.00 N/A 31.00 N/A 39.00 N/A Yes N/A N/A
157-1.259NS N/A 4.00 N/A 32.00 N/A 40.00 N/A N/A Yes N/A
157-1.388SS N/A 4.00 N/A 35.25 N/A 43.25 N/A N/A Yes N/A
157-1.575 N/A 4.00 N/A 40 N/A 48.00 N/A Yes N/A N/A
157-1.968 N/A 4.00 N/A 50.0 N/A 58.00 N/A Yes N/A N/A
158-2.126ES N/A 4.00 N/A 54.00 N/A 62.00 N/A N/A Yes N/A
157-2.835VS N/A 4.00 N/A 72.00 N/A 80.00 N/A N/A Yes N/A
157-2.835VS N/A 4.00 N/A 72.60 N/A 80.60 N/A Yes N/A N/A
158-3.071ES N/A 4.00 N/A 78.00 N/A 86.00 N/A N/A Yes N/A
158-3.780ES N/A 4.00 N/A 96.00 N/A 104.00 N/A N/A Yes N/A
157-4.606ES N/A 4.00 N/A 117.00 N/A 125.00 N/A N/A Yes N/A
157-5.512VS N/A 4.00 N/A 140.00 N/A 148.00 N/A N/A Yes N/A
157-6.299 N/A 4.00 N/A 160.00 N/A 168.00 N/A Yes N/A N/A
157-6.830 N/A 4.00 N/A 173.50 N/A 181.50 N/A Yes N/A N/A
157-10.827 N/A 4.00 N/A 275.00 N/A 283.00 N/A Yes N/A N/A
162-5.500 N/A 4.10 N/A 139.70 N/A 147.90 N/A Yes N/A N/A
165-456 N/A 4.20 N/A 11.60 N/A 20.00 N/A Yes N/A N/A
166-612 N/A 4.20 N/A 15.50 N/A 23.90 N/A Yes N/A N/A
169-465 N/A 4.30 N/A 11.80 N/A 20.40 N/A Yes N/A N/A
170-3.253 N/A 4.30 N/A 82.60 N/A 91.20 N/A Yes N/A N/A
Unit of Measure
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