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

241-7.725 N/A 6.10 N/A 196.20 N/A 208.40 N/A Yes N/A N/A
241-7.975 N/A 6.10 N/A 202.60 N/A 214.80 N/A Yes N/A N/A
241-9.975VS N/A 6.20 N/A 257.00 N/A 269.40 N/A Yes N/A N/A
248-3.575 N/A 6.30 N/A 90.80 N/A 103.40 N/A Yes N/A N/A
250-25.375VS N/A 6.40 N/A 650.60 N/A 663.40 N/A Yes N/A N/A
256-6.181 N/A 6.50 N/A 156.80 N/A 169.80 N/A Yes N/A N/A
260-2.476 N/A 6.60 N/A 62.80 N/A 76.00 N/A Yes N/A N/A
256-3.563SS N/A 6.60 N/A 91.80 N/A 105.00 N/A Yes N/A N/A
264-1.406 N/A 6.70 N/A 35.70 N/A 49.10 N/A Yes N/A N/A
268-2.763 N/A 6.80 N/A 70.30 N/A 83.90 N/A Yes N/A N/A
272-7.051 N/A 6.90 N/A 179.10 N/A 192.90 N/A Yes N/A N/A
272-9.413 N/A 6.90 N/A 239.10 N/A 252.90 N/A Yes N/A N/A
272-10.988 N/A 6.90 N/A 279.10 N/A 292.90 N/A Yes N/A N/A
275-945 N/A 7.0 N/A 24 N/A 38.00 N/A Yes N/A N/A
275-1.100VS N/A 7.0 N/A 28.30 N/A 42.30 N/A Yes N/A N/A
275-1.225 N/A 7.0 N/A 31.10 N/A 45.10 N/A Yes N/A N/A
1-400 N/A 7.0 N/A 34.30 N/A 48.30 N/A Yes N/A N/A
1-401 N/A 7.0 N/A 37.50 N/A 51.50 N/A Yes N/A N/A
275-1.745VS N/A 7.0 N/A 44.50 N/A 58.50 N/A Yes N/A N/A
1-404 N/A 7.0 N/A 47.00 N/A 61.00 N/A Yes N/A N/A
1-407 N/A 7.0 N/A 56.50 N/A 70.50 N/A Yes N/A N/A
1-408 N/A 7.0 N/A 59.70 N/A 73.70 N/A Yes N/A N/A
1-410 N/A 7.0 N/A 66.00 N/A 80.00 N/A Yes N/A N/A
1-411 N/A 7.0 N/A 69.20 N/A 83.20 N/A Yes N/A N/A
1-412 N/A 7.0 N/A 72.40 N/A 86.40 N/A Yes N/A N/A
Unit of Measure
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