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
1 2 3 4 

Item #

C/S Metric (mm)

ID Metric (mm)

OD Metric (mm)

Std Shrink

Special Shrink

Reference Size

79-984 N/A 2.00 N/A 25 N/A 29.00 N/A Yes N/A N/A
79-1.063 N/A 2.00 N/A 27.00 N/A 31.00 N/A Yes N/A N/A
78-1.102 N/A 2.00 N/A 28.00 N/A 32.00 N/A Yes N/A N/A
79-1.181NS N/A 2.00 N/A 30.0 N/A 40.00 N/A N/A Yes N/A
78-1.417 N/A 2.00 N/A 36.00 N/A 40.00 N/A Yes N/A N/A
79-1.457ES N/A 2.00 N/A 37.00 N/A 41.00 N/A N/A Yes N/A
78-1.609 N/A 2.00 N/A 40.90 N/A 44.90 N/A Yes N/A N/A
79-1.772 N/A 2.00 N/A 45.00 N/A 49.00 N/A Yes N/A N/A
79-1.850 N/A 2.00 N/A 47.00 N/A 51.00 N/A Yes N/A N/A
80-1.980NS N/A 2.00 N/A 50.0 N/A 54.0 N/A Yes N/A N/A
78-2.125 N/A 2.00 N/A 54.00 N/A 58.00 N/A Yes N/A N/A
79-2.135ES N/A 2.00 N/A 54.25 N/A 58.25 N/A N/A Yes N/A
80-2.200NS N/A 2.00 N/A 55.70 N/A 59.70 N/A Yes N/A N/A
79-2.283ES N/A 2.00 N/A 58.00 N/A 62.00 N/A N/A Yes N/A
79-2.362 N/A 2.00 N/A 60.00 N/A 64.00 N/A Yes N/A N/A
79-2.480SS N/A 2.00 N/A 63.00 N/A 67.00 N/A N/A Yes N/A
79-2.943ES N/A 2.00 N/A 74.75 N/A 78.75 N/A N/A Yes N/A
79-2.943ES N/A 2.00 N/A 74.90 N/A 78.90 N/A Yes N/A N/A
79-3.218VS N/A 2.00 N/A 81.75 N/A 85.75 N/A N/A Yes N/A
79-5.135VS N/A 2.00 N/A 135.00 N/A 139.00 N/A N/A Yes N/A
83-606 N/A 2.10 N/A 15.40 N/A 19.60 N/A Yes N/A N/A
83-906 N/A 2.10 N/A 23.00 N/A 27.20 N/A Yes N/A N/A
83-3.083 N/A 2.10 N/A 78.40 N/A 82.60 N/A Yes N/A N/A
87-366 N/A 2.20 N/A 9.30 N/A 13.70 N/A Yes N/A N/A ISO 6149 M12 x 1.5
87-445 N/A 2.20 N/A 11.30 N/A 15.70 N/A Yes N/A N/A ISO 6149 M14 x 1.5
87-524 N/A 2.20 N/A 13.30 N/A 17.70 N/A Yes N/A N/A ISO 6149 M16 x 1.5
87-602 N/A 2.20 N/A 15.30 N/A 19.70 N/A Yes N/A N/A ISO 6149 M18 x 1.5
87-681 N/A 2.20 N/A 17.30 N/A 21.70 N/A Yes N/A N/A ISO 6149 M20 x 1.5
87-705 N/A 2.20 N/A 17.90 N/A 22.30 N/A Yes N/A N/A
87-760 N/A 2.20 N/A 19.30 N/A 23.70 N/A Yes N/A N/A ISO 6149 M22 x 1.5
87-817 N/A 2.20 N/A 20.75 N/A 25.15 N/A Yes N/A N/A
87-3.307 N/A 2.20 N/A 84.00 N/A 88.40 N/A Yes N/A N/A
89-255SS N/A 2.30 N/A 6.60 N/A 11.20 N/A Yes N/A N/A
91-760SS N/A 2.30 N/A 19.30 N/A 23.90 N/A N/A Yes N/A
90-1.091SS N/A 2.30 N/A 27.60 N/A 32.20 N/A Yes N/A N/A
90-2.832 N/A 2.30 N/A 71.90 N/A 76.50 N/A Yes N/A N/A
90-3.661 N/A 2.30 N/A 93.00 N/A 97.60 N/A Yes N/A N/A
93-10ES N/A 2.40 N/A .25 N/A 5.05 N/A Yes N/A N/A
93-15ES N/A 2.40 N/A .40 N/A 5.20 N/A Yes N/A N/A
95-130 N/A 2.40 N/A 3.30 N/A 8.10 N/A Yes N/A N/A
94-142 N/A 2.40 N/A 3.60 N/A 8.40 N/A Yes N/A N/A
94-218NS N/A 2.40 N/A 5.50 N/A 10.3 N/A Yes N/A N/A
94-248VS N/A 2.40 N/A 6.30 N/A 11.10 N/A N/A Yes N/A
94-248VS N/A 2.40 N/A 6.40 N/A 11.20 N/A Yes N/A N/A
94-287VS N/A 2.40 N/A 7.30 N/A 12.1 N/A N/A Yes N/A
94-287VS N/A 2.40 N/A 7.40 N/A 12.20 N/A Yes N/A N/A
94-366SS N/A 2.40 N/A 9.30 N/A 14.10 N/A N/A Yes N/A
95-418 N/A 2.40 N/A 10.60 N/A 15.40 N/A Yes N/A N/A BS 4518 0106-24
94-445VS N/A 2.40 N/A 11.30 N/A 16.10 N/A N/A Yes N/A
94-523 N/A 2.40 N/A 13.30 N/A 18.10 N/A Yes N/A N/A
94-523 N/A 2.40 N/A 13.30 N/A 18.10 N/A Yes N/A N/A
92-590SS N/A 2.40 N/A 15.30 N/A 20.10 N/A Yes N/A N/A
94-614SS N/A 2.40 N/A 15.60 N/A 20.40 N/A N/A Yes N/A BS 4518 0156-24
95-618 N/A 2.40 N/A 15.70 N/A 20.50 N/A Yes N/A N/A
94-656 N/A 2.40 N/A 16.70 N/A 21.50 N/A Yes N/A N/A
94-1.188 N/A 2.40 N/A 30.20 N/A 35.00 N/A Yes N/A N/A
93-1.320SS N/A 2.40 N/A 33.80 N/A 38.60 N/A Yes N/A N/A
94-1.437 N/A 2.40 N/A 36.50 N/A 41.30 N/A Yes N/A N/A
93-1.888ES N/A 2.40 N/A 48.50 N/A 53.30 N/A Yes N/A N/A
93-3.237ES N/A 2.40 N/A 83.00 N/A 87.80 N/A Yes N/A N/A
95-3.744 N/A 2.40 N/A 95.10 N/A 99.90 N/A Yes N/A N/A
94-6.500 N/A 2.40 N/A 165.10 N/A 169.90 N/A Yes N/A N/A
98-197 N/A 2.50 N/A 5.00 N/A 10.0 N/A Yes N/A N/A
98-512 N/A 2.50 N/A 13.00 N/A 18.00 N/A Yes N/A N/A
98-520SS N/A 2.50 N/A 13.20 N/A 18.20 N/A N/A Yes N/A
98-591 N/A 2.50 N/A 15.00 N/A 20.00 N/A Yes N/A N/A
98-765 N/A 2.50 N/A 19.40 N/A 24.40 N/A Yes N/A N/A
98-787ES N/A 2.50 N/A 20.00 N/A 25.00 N/A N/A Yes N/A
98-1.063 N/A 2.50 N/A 27.00 N/A 32.00 N/A Yes N/A N/A
98-1.417VS N/A 2.50 N/A 36.20 N/A 41.20 N/A N/A Yes N/A
98-1.772 N/A 2.50 N/A 45.00 N/A 50.0 N/A Yes N/A N/A
98-2.283 N/A 2.50 N/A 58.00 N/A 63.00 N/A Yes N/A N/A
98-3.189VS N/A 2.50 N/A 81.00 N/A 86.00 N/A N/A Yes N/A
104-272VS N/A 2.65 N/A 6.90 N/A 12.20 N/A N/A Yes N/A B0069, JIS B2401 - 6.9 x 2.65
104-366 N/A 2.65 N/A 9.30 N/A 14.60 N/A Yes N/A N/A
104-417VS N/A 2.65 N/A 10.60 N/A 15.90 N/A N/A Yes N/A B0106, JIS B2401 - 10.6 x 2.65
104-492 N/A 2.65 N/A 12.50 N/A 17.80 N/A Yes N/A N/A JIS B2401 - 140 x 2.65
104-787VS N/A 2.65 N/A 20.00 N/A 25.30 N/A N/A Yes N/A B0200, JIS B2401 - 20 x 2.65
104-835VS N/A 2.65 N/A 21.20 N/A 26.50 N/A N/A Yes N/A B0212, JIS B2401 - 21.2 x 2.65
104-870 N/A 2.65 N/A 22.10 N/A 27.40 N/A Yes N/A N/A
104-1.059 N/A 2.65 N/A 26.90 N/A 32.20 N/A Yes N/A N/A
104-1.125 N/A 2.65 N/A 28.60 N/A 33.90 N/A Yes N/A N/A
104-1.249 N/A 2.65 N/A 31.70 N/A 37.00 N/A Yes N/A N/A
104-1.249 N/A 2.65 N/A 31.70 N/A 37.00 N/A Yes N/A N/A
104-1.311 N/A 2.65 N/A 33.30 N/A 38.60 N/A Yes N/A N/A
104-1.311 N/A 2.65 N/A 33.30 N/A 38.60 N/A Yes N/A N/A
105-1.452 N/A 2.65 N/A 36.90 N/A 42.20 N/A Yes N/A N/A
104-2.511 N/A 2.65 N/A 63.80 N/A 69.10 N/A Yes N/A N/A
104-2.563 N/A 2.65 N/A 65.10 N/A 70.40 N/A Yes N/A N/A
104-2.575 N/A 2.65 N/A 65.40 N/A 70.70 N/A Yes N/A N/A
104-2.638 N/A 2.65 N/A 67.00 N/A 72.30 N/A Yes N/A N/A
104-2.688 N/A 2.65 N/A 68.30 N/A 73.60 N/A Yes N/A N/A
104-2.814 N/A 2.65 N/A 71.50 N/A 76.80 N/A Yes N/A N/A
104-2.874 N/A 2.65 N/A 73.00 N/A 78.30 N/A Yes N/A N/A B0730, JIS B2401 - 73 x 2.65
104-3.016 N/A 2.65 N/A 76.60 N/A 81.90 N/A Yes N/A N/A
104-3.253 N/A 2.65 N/A 82.60 N/A 87.90 N/A Yes N/A N/A
104-3.520 N/A 2.65 N/A 89.40 N/A 94.70 N/A Yes N/A N/A
104-3.755 N/A 2.65 N/A 95.40 N/A 100.70 N/A Yes N/A N/A
104-4.279 N/A 2.65 N/A 108.70 N/A 103.40 N/A Yes N/A N/A
104-4.783 N/A 2.65 N/A 121.50 N/A 126.80 N/A Yes N/A N/A
104-5.512 N/A 2.65 N/A 140.00 N/A 145.30 N/A Yes N/A N/A JIS B2401 - 140 x 2.65
104-6.299 N/A 2.65 N/A 160.00 N/A 165.30 N/A Yes N/A N/A B1600, JIS B2401 - 160 x 2.65
104-6.551 N/A 2.65 N/A 166.40 N/A 171.70 N/A Yes N/A N/A
104-6.803 N/A 2.65 N/A 172.80 N/A 178.10 N/A Yes N/A N/A
104-7.308 N/A 2.65 N/A 185.60 N/A 190.90 N/A Yes N/A N/A
104-7.560 N/A 2.65 N/A 192.00 N/A 197.30 N/A Yes N/A N/A
104-8.780 N/A 2.65 N/A 223.00 N/A 228.30 N/A Yes N/A N/A
104-9.075 N/A 2.65 N/A 230.50 N/A 235.80 N/A Yes N/A N/A
106-480 N/A 2.70 N/A 12.20 N/A 17.60 N/A Yes N/A N/A
106-570 N/A 2.70 N/A 14.50 N/A 19.90 N/A Yes N/A N/A
110-265NS N/A 2.80 N/A 6.70 N/A 12.30 N/A Yes N/A N/A
110-299 N/A 2.80 N/A 7.60 N/A 13.20 N/A Yes N/A N/A
110-438 N/A 2.80 N/A 11.10 N/A 16.70 N/A Yes N/A N/A
114-929 N/A 2.90 N/A 23.60 N/A 29.40 N/A Yes N/A N/A ISO 6149 M27 x 2
114-1.165 N/A 2.90 N/A 29.60 N/A 35.40 N/A Yes N/A N/A ISO 6149 M33 x 2
114-1.520 N/A 2.90 N/A 38.60 N/A 44.40 N/A Yes N/A N/A ISO 6149 M42 x 2
114-1.756 N/A 2.90 N/A 44.60 N/A 50.40 N/A Yes N/A N/A ISO 6149 M48 x 2
114-2.228 N/A 2.90 N/A 56.60 N/A 62.40 N/A Yes N/A N/A ISO 6149 M60 x 2
118-197 N/A 3.00 N/A 5.00 N/A 11.00 N/A Yes N/A N/A
119-374 N/A 3.00 N/A 9.50 N/A 15.50 N/A Yes N/A N/A
118-394VS N/A 3.00 N/A 10.00 N/A 16.00 N/A Yes N/A N/A
118-453 N/A 3.00 N/A 11.50 N/A 17.50 N/A Yes N/A N/A
118-709 N/A 3.00 N/A 18.00 N/A 24.00 N/A Yes N/A N/A
118-728SS N/A 3.00 N/A 18.50 N/A 24.50 N/A N/A Yes N/A
118-748VS N/A 3.00 N/A 19.0 N/A 25.00 N/A N/A Yes N/A
118-748VS N/A 3.00 N/A 19.20 N/A 25.20 N/A Yes N/A N/A BS 4518 0225-30
118-787VS N/A 3.00 N/A 20.00 N/A 26.0 N/A N/A Yes N/A
118-795SS N/A 3.00 N/A 20.20 N/A 26.20 N/A N/A Yes N/A
118-866SS N/A 3.00 N/A 22.00 N/A 28.00 N/A N/A Yes N/A
118-886SS N/A 3.00 N/A 22.50 N/A 28.50 N/A N/A Yes N/A
118-906VS N/A 3.00 N/A 23.00 N/A 29.00 N/A N/A Yes N/A
118-953 N/A 3.00 N/A 24.20 N/A 30.20 N/A Yes N/A N/A
118-1.543VS N/A 3.00 N/A 39.20 N/A 45.20 N/A N/A Yes N/A
118-1.543VS N/A 3.00 N/A 39.70 N/A 45.70 N/A Yes N/A N/A
118-1.583SS N/A 3.00 N/A 40.20 N/A 46.20 N/A N/A Yes N/A
118-1.595VS N/A 3.00 N/A 40.50 N/A 46.50 N/A N/A Yes N/A
118-1.595VS N/A 3.00 N/A 40.70 N/A 46.70 N/A Yes N/A N/A
118-1.673VS N/A 3.00 N/A 42.50 N/A 48.50 N/A N/A Yes N/A
118-1.673VS N/A 3.00 N/A 42.90 N/A 48.90 N/A Yes N/A N/A BS 4518 0425-30
1-924 N/A 3.00 N/A 43.70 N/A 49.70 N/A Yes N/A N/A
118-1.969SS N/A 3.00 N/A 50.0 N/A 56.00 N/A N/A Yes N/A
118-2.008NS N/A 3.00 N/A 51.00 N/A 57.00 N/A N/A Yes N/A
1-928 N/A 3.00 N/A 53.10 N/A 59.10 N/A Yes N/A N/A
118-2.175VS N/A 3.00 N/A 55.25 N/A 61.25 N/A N/A Yes N/A
118-2.175VS N/A 3.00 N/A 55.90 N/A 61.90 N/A Yes N/A N/A
118-2.342 N/A 3.00 N/A 59.50 N/A 65.50 N/A Yes N/A N/A BS 4518 0595-30
118-2.441VS N/A 3.00 N/A 62.00 N/A 68.00 N/A N/A Yes N/A
118-2.520VS N/A 3.00 N/A 64.00 N/A 70.00 N/A N/A Yes N/A
118-2.584ES N/A 3.00 N/A 65.60 N/A 71.60 N/A N/A Yes N/A
118-2.913 N/A 3.00 N/A 74.00 N/A 80.00 N/A Yes N/A N/A
118-3.819 N/A 3.00 N/A 97.00 N/A 103.00 N/A Yes N/A N/A
118-4.134 N/A 3.00 N/A 105.00 N/A 111.00 N/A Yes N/A N/A
118-5.315 N/A 3.00 N/A 135.00 N/A 141.00 N/A Yes N/A N/A
118-5.492 N/A 3.00 N/A 139.50 N/A 145.50 N/A Yes N/A N/A BS 4518 1395-30
118-5.689 N/A 3.00 N/A 144.50 N/A 150.50 N/A Yes N/A N/A BS 4518 1445-30
118-5.905 N/A 3.00 N/A 150.00 N/A 156.00 N/A Yes N/A N/A
118-6.378VS N/A 3.00 N/A 162.00 N/A 168.00 N/A N/A Yes N/A
118-7.784NS N/A 3.00 N/A 200.00 N/A 206.00 N/A N/A Yes N/A
118-8.504VS N/A 3.00 N/A 216.00 N/A 222.00 N/A N/A Yes N/A
118-8.504VS N/A 3.00 N/A 218.00 N/A 224.00 N/A Yes N/A N/A
122-200 N/A 3.10 N/A 5.10 N/A 11.3 N/A Yes N/A N/A
120-636SS N/A 3.10 N/A 16.40 N/A 22.60 N/A Yes N/A N/A
123-924 N/A 3.10 N/A 23.50 N/A 29.70 N/A Yes N/A N/A
122-3.520 N/A 3.10 N/A 89.40 N/A 95.60 N/A Yes N/A N/A JIS B2401 G90
125-950SS N/A 3.20 N/A 24.38 N/A 30.78 N/A Yes N/A N/A
125-2.750SS N/A 3.20 N/A 70.50 N/A 76.90 N/A Yes N/A N/A
130-425 N/A 3.30 N/A 10.80 N/A 17.40 N/A Yes N/A N/A
130-3.062 N/A 3.30 N/A 77.80 N/A 84.40 N/A Yes N/A N/A
138-523 N/A 3.5 N/A 13.30 N/A 20.30 N/A Yes N/A N/A
138-708 N/A 3.5 N/A 18.00 N/A 25.00 N/A Yes N/A N/A
31-472VS N/A 3.5 N/A 19.0 N/A 26.0 N/A N/A Yes N/A
138-1.491ES N/A 3.5 N/A 37.90 N/A 44.90 N/A Yes N/A N/A
140-675 N/A 3.55 N/A 17.15 N/A 24.25 N/A Yes N/A N/A
140-800 N/A 3.55 N/A 20.30 N/A 27.40 N/A Yes N/A N/A
140-1.491 N/A 3.55 N/A 37.90 N/A 45.00 N/A Yes N/A N/A
140-2.003 N/A 3.55 N/A 50.90 N/A 58.00 N/A Yes N/A N/A
140-2.256 N/A 3.55 N/A 57.30 N/A 64.40 N/A Yes N/A N/A
140-2.761 N/A 3.55 N/A 70.10 N/A 77.20 N/A Yes N/A N/A
140-3.248 N/A 3.55 N/A 82.50 N/A 89.60 N/A Yes N/A N/A C0825, JIS B2401 - 82.5 x 3.55
140-5.159 N/A 3.55 N/A 131 N/A 138.1 N/A Yes N/A N/A
140-5.260 N/A 3.55 N/A 133.60 N/A 140.70 N/A Yes N/A N/A
140-6.043 N/A 3.55 N/A 153.50 N/A 160.60 N/A Yes N/A N/A
140-7.053 N/A 3.55 N/A 179.10 N/A 186.2 N/A Yes N/A N/A
140-8.023 N/A 3.55 N/A 203.80 N/A 210.90 N/A Yes N/A N/A
140-9.531 N/A 3.55 N/A 242.10 N/A 249.20 N/A Yes N/A N/A
140-10.535 N/A 3.55 N/A 267.6 N/A 274.7 N/A Yes N/A N/A
142-390NS N/A 3.6 N/A 9.90 N/A 17.10 N/A Yes N/A N/A
140-692SS N/A 3.6 N/A 17.80 N/A 25.00 N/A Yes N/A N/A
139-1.954SS N/A 3.6 N/A 50.70 N/A 57.90 N/A Yes N/A N/A
142-8.634 N/A 3.6 N/A 219.3 N/A 226.5 N/A Yes N/A N/A
142-12.224 N/A 3.6 N/A 310.50 N/A 317.70 N/A Yes N/A N/A
150-710NS N/A 3.80 N/A 18.00 N/A 25.50 N/A Yes N/A N/A
150-850VS N/A 3.80 N/A 21.60 N/A 29.20 N/A N/A Yes N/A
150-886 N/A 3.80 N/A 22.50 N/A 30.10 N/A Yes N/A N/A
150-3.859 N/A 3.80 N/A 98.00 N/A 105.60 N/A Yes N/A N/A
150-4.295 N/A 3.80 N/A 109.10 N/A 116.70 N/A Yes N/A N/A
152-3.420VS N/A 3.90 N/A 87.60 N/A 95.40 N/A Yes N/A N/A
157-276SS N/A 4.00 N/A 7.00 N/A 15.00 N/A N/A Yes N/A
157-354NS N/A 4.00 N/A 9.00 N/A 17.0 N/A N/A Yes N/A
157-511NS N/A 4.00 N/A 13.00 N/A 21.00 N/A N/A Yes N/A
Unit of Measure
1 2 3 4