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

71-147 N/A 1.80 N/A 3.75 N/A 7.35 N/A Yes N/A N/A A0038, JIS B2401 - 3.75 x 1.8
71-211ES N/A 1.80 N/A 5.40 N/A 9.0 N/A Yes N/A N/A
71-244 N/A 1.80 N/A 6.20 N/A 9.80 N/A Yes N/A N/A
71-248 N/A 1.80 N/A 6.30 N/A 9.90 N/A Yes N/A N/A A0063, JIS B2401 - 6.3 x 1.8
71-256VS N/A 1.80 N/A 6.50 N/A 10.1 N/A N/A Yes N/A
71-256VS N/A 1.80 N/A 6.50 N/A 10.1 N/A N/A Yes N/A
70-270SS N/A 1.80 N/A 7.00 N/A 10.60 N/A Yes N/A N/A
71-304 N/A 1.80 N/A 7.7 N/A 11.3 N/A Yes N/A N/A
71-367 N/A 1.80 N/A 9.30 N/A 12.90 N/A Yes N/A N/A
70-418SS N/A 1.80 N/A 10.80 N/A 14.40 N/A Yes N/A N/A
71-430 N/A 1.80 N/A 10.90 N/A 14.50 N/A Yes N/A N/A
70-437VS N/A 1.80 N/A 11.20 N/A 14.80 N/A Yes N/A N/A
70-468SS N/A 1.80 N/A 12.00 N/A 15.60 N/A Yes N/A N/A
70-478VS N/A 1.80 N/A 12.25 N/A 15.85 N/A Yes N/A N/A
70-495SS N/A 1.80 N/A 12.80 N/A 16.40 N/A Yes N/A N/A A0128, JIS B2401 - 12.8 x 1.8
71-620 N/A 1.80 N/A 15.75 N/A 19.35 N/A Yes N/A N/A
70-646SS N/A 1.80 N/A 16.70 N/A 20.30 N/A Yes N/A N/A
70-739VS N/A 1.80 N/A 19.0 N/A 22.60 N/A Yes N/A N/A A0190, JIS B2401 -19 x 1.8
71-810 N/A 1.80 N/A 20.60 N/A 24.20 N/A Yes N/A N/A A0206, JIS B2401 - 20.6 x 1.8
70-850VS N/A 1.80 N/A 21.80 N/A 25.40 N/A Yes N/A N/A
71-876 N/A 1.80 N/A 22.25 N/A 25.85 N/A Yes N/A N/A
70-879SS N/A 1.80 N/A 22.75 N/A 26.35 N/A Yes N/A N/A
70-985SS N/A 1.80 N/A 25.20 N/A 28.80 N/A Yes N/A N/A
70-1.114SS N/A 1.80 N/A 28.70 N/A 32.30 N/A Yes N/A N/A
71-1.188 N/A 1.80 N/A 30.20 N/A 33.80 N/A Yes N/A N/A
Unit of Measure
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