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

323-8.898 N/A 8.20 N/A 226.00 N/A 242.40 N/A Yes N/A N/A
330-8.197 N/A 8.40 N/A 79.70 N/A 96.50 N/A Yes N/A N/A
331-8.197 N/A 8.40 N/A 208.20 N/A 225.00 N/A Yes N/A N/A
335-2.027 N/A 8.50 N/A 51.50 N/A 68.50 N/A Yes N/A N/A
330-5.319SS N/A 8.50 N/A 137.00 N/A 154.00 N/A Yes N/A N/A
330-5.354SS N/A 8.50 N/A 138.00 N/A 155.00 N/A Yes N/A N/A
339-11.654 N/A 8.60 N/A 295.60 N/A 312.80 N/A Yes N/A N/A
338-15.410 N/A 8.60 N/A 391.40 N/A 408.60 N/A Yes N/A N/A
341-25.984 N/A 8.60 N/A 656.50 N/A 673.70 N/A Yes N/A N/A
346-20.125 N/A 8.80 N/A 511.20 N/A 528.80 N/A Yes N/A N/A
370-2.982 N/A 9.40 N/A 75.75 N/A 94.55 N/A Yes N/A N/A
370-12.106 N/A 9.40 N/A 307.50 N/A 326.30 N/A Yes N/A N/A
374-1.102VS N/A 9.50 N/A 28.00 N/A 47.00 N/A N/A Yes N/A
375-2.875 N/A 9.50 N/A 73.00 N/A 92.00 N/A Yes N/A N/A
375-4.250 N/A 9.50 N/A 107.80 N/A 126.80 N/A Yes N/A N/A
374-9.646ES N/A 9.50 N/A 245.00 N/A 264.00 N/A N/A Yes N/A
394-2.362SS N/A 10.00 N/A 60.00 N/A 80.00 N/A N/A Yes N/A
Unit of Measure
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