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

39-354 N/A 1.00 N/A 9.00 N/A 11.00 N/A Yes N/A N/A
40-370 N/A 1.00 N/A 9.40 N/A 11.40 N/A Yes N/A N/A
39-386 N/A 1.00 N/A 9.80 N/A 11.80 N/A Yes N/A N/A
40-395 N/A 1.00 N/A 10.00 N/A 12.00 N/A Yes N/A N/A
40-426 N/A 1.00 N/A 10.80 N/A 12.80 N/A Yes N/A N/A
39-433 N/A 1.00 N/A 11.00 N/A 13.00 N/A Yes N/A N/A
40-440 N/A 1.00 N/A 11.20 N/A 13.20 N/A Yes N/A N/A
40-445SS N/A 1.00 N/A 11.40 N/A 13.40 N/A Yes N/A N/A
39-472 N/A 1.00 N/A 12.00 N/A 14.00 N/A Yes N/A N/A
40-484 N/A 1.00 N/A 12.30 N/A 14.30 N/A Yes N/A N/A
39-492 N/A 1.00 N/A 12.50 N/A 14.50 N/A Yes N/A N/A
40-508NS N/A 1.00 N/A 12.90 N/A 14.90 N/A Yes N/A N/A
39-535 N/A 1.00 N/A 13.60 N/A 15.60 N/A Yes N/A N/A
39-550VS N/A 1.00 N/A 14.0 N/A 16.00 N/A N/A Yes N/A
40-550 N/A 1.00 N/A 14.0 N/A 16.00 N/A Yes N/A N/A
39-570 N/A 1.00 N/A 14.50 N/A 16.50 N/A Yes N/A N/A
39-630 N/A 1.00 N/A 16.00 N/A 18.00 N/A Yes N/A N/A
40-701 N/A 1.00 N/A 17.80 N/A 19.80 N/A Yes N/A N/A
40-725 N/A 1.00 N/A 18.40 N/A 20.40 N/A Yes N/A N/A
40-825 N/A 1.00 N/A 21.00 N/A 23.00 N/A Yes N/A N/A
40-929 N/A 1.00 N/A 23.60 N/A 25.60 N/A Yes N/A N/A
39-945NS N/A 1.00 N/A 24 N/A 26.0 N/A N/A Yes N/A
39-984NS N/A 1.00 N/A 25 N/A 27 N/A N/A Yes N/A
40-1.062 N/A 1.00 N/A 27.00 N/A 29.00 N/A Yes N/A N/A
39-1.063VS N/A 1.00 N/A 27.00 N/A 29.00 N/A N/A Yes N/A
Unit of Measure
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