System of Measurement

Inch

Metric

Actual ID

0.114"

0.145"

0.176"

0.208"

0.239"

0.296"

0.299"

0.301"

0.359"

0.362"

0.364"

0.421"

0.424"

0.426"

0.484"

0.487"

0.489"

0.546"

0.549"

0.551"

0.609"

0.612"

0.614"

0.671"

0.674"

0.676"

0.734"

0.737"

0.739"

0.796"

0.799"

0.801"

0.859"

0.862"

0.864"

0.921"

0.924"

0.926"

0.984"

0.987"

0.989"

1.046"

1.049"

1.051"

1.109"

1.112"

1.114"

1.171"

1.174"

1.176"

1.234"

1.237"

1.239"

1.296"

1.299"

1.301"

1.359"

1.362"

1.364"

1.421"

1.424"

1.475"

1.484"

1.487"

1.489"

1.549"

1.6"

1.609"

1.612"

1.614"

1.674"

1.725"

1.734"

1.737"

1.739"

1.799"

1.85"

1.859"

1.862"

1.864"

1.925"

1.975"

1.984"

1.987"

1.989"

2.05"

2.1"

2.109"

2.112"

2.114"

2.175"

2.225"

2.234"

2.237"

2.239"

2.3"

2.35"

2.359"

2.362"

2.364"

2.425"

2.475"

2.484"

2.487"

2.489"

2.55"

2.6"

2.609"

2.612"

2.614"

2.675"

2.725"

2.734"

2.737"

2.739"

2.8"

2.85"

2.859"

2.862"

2.864"

2.975"

2.984"

2.987"

2.989"

3.1"

3.109"

3.225"

3.234"

3.237"

3.239"

3.35"

3.359"

3.475"

3.484"

3.487"

3.489"

3.6"

3.609"

3.725"

3.734"

3.737"

3.739"

3.85"

3.859"

3.975"

3.984"

3.987"

3.989"

4.1"

4.109"

4.225"

4.234"

4.237"

4.239"

4.35"

4.359"

4.475"

4.484"

4.487"

4.489"

4.6"

4.609"

4.725"

4.734"

4.737"

4.85"

4.859"

4.975"

4.984"

4.987"

4.989"

5.1"

5.109"

5.225"

5.234"

5.237"

5.35"

5.359"

5.475"

5.484"

5.487"

5.6"

5.609"

5.725"

5.734"

5.737"

5.85"

5.859"

5.975"

5.984"

5.987"

6.225"

6.234"

6.237"

6.475"

6.484"

6.487"

6.725"

6.734"

6.975"

6.984"

6.987"

7.225"

7.234"

7.237"

7.475"

7.484"

7.725"

7.734"

7.975"

7.984"

8.225"

8.234"

8.475"

8.484"

8.725"

8.975"

9.225"

9.475"

2 mm

2.5 mm

3 mm

3.1 mm

3.5 mm

4 mm

4.5 mm

5 mm

5.5 mm

6 mm

6.5 mm

7 mm

7.1 mm

7.5 mm

8 mm

8.5 mm

9 mm

9.1 mm

9.5 mm

10 mm

11 mm

12 mm

12.5 mm

13 mm

14 mm

15 mm

16 mm

17 mm

18 mm

19 mm

20 mm

21 mm

22 mm

23 mm

24 mm

25 mm

26 mm

28 mm

30 mm

35 mm

40 mm

45 mm

50 mm

55 mm

60 mm

Actual OD

0.254"

0.285"

0.316"

0.348"

0.379"

0.441"

0.504"

0.505"

0.566"

0.568"

0.574"

0.629"

0.63"

0.637"

0.691"

0.693"

0.699"

0.754"

0.755"

0.762"

0.808"

0.818"

0.824"

0.879"

0.88"

0.887"

0.941"

0.943"

0.949"

1.004"

1.005"

1.012"

1.066"

1.068"

1.074"

1.129"

1.13"

1.137"

1.191"

1.193"

1.199"

1.254"

1.255"

1.262"

1.316"

1.318"

1.324"

1.379"

1.38"

1.387"

1.441"

1.443"

1.449"

1.504"

1.505"

1.512"

1.568"

1.574"

1.629"

1.63"

1.637"

1.693"

1.699"

1.754"

1.755"

1.762"

1.818"

1.879"

1.88"

1.887"

1.895"

1.943"

2.004"

2.005"

2.012"

2.02"

2.068"

2.129"

2.131"

2.137"

2.145"

2.193"

2.254"

2.256"

2.262"

2.27"

2.318"

2.379"

2.381"

2.387"

2.395"

2.443"

2.504"

2.506"

2.512"

2.52"

2.568"

2.629"

2.631"

2.637"

2.645"

2.693"

2.754"

2.756"

2.762"

2.77"

2.818"

2.879"

2.881"

2.887"

2.895"

2.943"

3.004"

3.006"

3.012"

3.02"

3.068"

3.129"

3.137"

3.145"

3.193"

3.262"

3.27"

3.379"

3.387"

3.395"

3.443"

3.512"

3.52"

3.629"

3.637"

3.645"

3.693"

3.762"

3.77"

3.879"

3.887"

3.895"

3.943"

4.012"

4.02"

4.129"

4.137"

4.145"

4.193"

4.262"

4.27"

4.379"

4.387"

4.395"

4.443"

4.512"

4.52"

4.629"

4.637"

4.645"

4.693"

4.762"

4.77"

4.887"

4.895"

4.943"

5.012"

5.02"

5.025"

5.129"

5.137"

5.145"

5.15"

5.193"

5.262"

5.27"

5.275"

5.387"

5.395"

5.4"

5.443"

5.512"

5.52"

5.525"

5.637"

5.645"

5.65"

5.693"

5.762"

5.775"

5.887"

5.895"

5.9"

5.943"

6.012"

6.02"

6.025"

6.137"

6.145"

6.15"

6.193"

6.262"

6.27"

6.275"

6.395"

6.4"

6.443"

6.512"

6.525"

6.645"

6.693"

6.762"

6.775"

6.895"

7.012"

7.025"

7.145"

7.193"

7.262"

7.275"

7.395"

7.443"

7.512"

7.525"

7.645"

7.762"

7.775"

8.012"

8.025"

8.145"

8.262"

8.275"

8.512"

8.525"

8.645"

8.762"

8.895"

9.025"

9.145"

9.395"

9.525"

9.645"

9.895"

4 mm

4.5 mm

5 mm

5.5 mm

6 mm

6.3 mm

6.5 mm

7 mm

7.5 mm

8 mm

8.5 mm

9 mm

9.5 mm

10 mm

10.3 mm

10.5 mm

11 mm

11.5 mm

12 mm

12.3 mm

12.5 mm

13 mm

14 mm

15 mm

16 mm

16.1 mm

17 mm

18 mm

19 mm

20 mm

21 mm

22 mm

23 mm

24 mm

25 mm

26 mm

27 mm

28 mm

30 mm

31 mm

32 mm

36 mm

41 mm

44 mm

46 mm

51 mm

54 mm

56 mm

59 mm

64 mm

Actual Width

0.07"

0.103"

0.139"

0.21"

0.275"

1 mm

1.5 mm

1.6 mm

1.8 mm

2 mm

2.5 mm

3 mm

Material

Buna-N Rubber

Fractional ID

1/8"

5/32"

3/16"

7/32"

1/4"

5/16"

3/8"

7/16"

1/2"

9/16"

5/8"

11/16"

3/4"

13/16"

7/8"

15/16"

1 1/16"

1 1/8"

1 3/16"

1 1/4"

1 5/16"

1 3/8"

1 7/16"

1 1/2"

1 9/16"

1 5/8"

1 11/16"

1 3/4"

1 13/16"

1 7/8"

1 15/16"

2 1/16"

2 1/8"

2 3/16"

2 1/4"

2 5/16"

2 3/8"

2 7/16"

2 1/2"

2 9/16"

2 5/8"

2 11/16"

2 3/4"

2 13/16"

2 7/8"

3 1/8"

3 1/4"

3 3/8"

3 1/2"

3 5/8"

3 3/4"

3 7/8"

4 1/8"

4 1/4"

4 3/8"

4 1/2"

4 5/8"

4 3/4"

4 7/8"

5 1/8"

5 1/4"

5 3/8"

5 1/2"

5 5/8"

5 3/4"

5 7/8"

6 1/4"

6 1/2"

6 3/4"

7 1/4"

7 1/2"

7 3/4"

8 1/4"

8 1/2"

8 3/4"

9 1/4"

9 1/2"

Fractional OD

1/4"

9/32"

5/16"

11/32"

3/8"

7/16"

1/2"

9/16"

5/8"

11/16"

3/4"

13/16"

7/8"

15/16"

1 1/16"

1 1/8"

1 3/16"

1 1/4"

1 5/16"

1 3/8"

1 7/16"

1 1/2"

1 9/16"

1 5/8"

1 11/16"

1 3/4"

1 13/16"

1 7/8"

1 15/16"

2 1/16"

2 1/8"

2 3/16"

2 1/4"

2 5/16"

2 3/8"

2 7/16"

2 1/2"

2 9/16"

2 5/8"

2 11/16"

2 3/4"

2 13/16"

2 7/8"

2 15/16"

3 1/16"

3 1/8"

3 3/16"

3 1/4"

3 3/8"

3 7/16"

3 1/2"

3 5/8"

3 11/16"

3 3/4"

3 7/8"

3 15/16"

4 1/8"

4 3/16"

4 1/4"

4 3/8"

4 7/16"

4 1/2"

4 5/8"

4 11/16"

4 3/4"

4 7/8"

4 15/16"

5 1/8"

5 3/16"

5 1/4"

5 3/8"

5 7/16"

5 1/2"

5 5/8"

5 11/16"

5 3/4"

5 7/8"

5 15/16"

6 1/8"

6 3/16"

6 1/4"

6 3/8"

6 7/16"

6 1/2"

6 5/8"

6 11/16"

6 3/4"

6 7/8"

7 1/8"

7 3/16"

7 1/4"

7 3/8"

7 7/16"

7 1/2"

7 5/8"

7 3/4"

8 1/8"

8 1/4"

8 1/2"

8 5/8"

8 3/4"

8 7/8"

9 1/8"

9 3/8"

9 1/2"

9 5/8"

9 7/8"

Fractional Width

1/16"

3/32"

1/8"

3/16"

1/4"

Hardness

Durometer 70A

Color

Black

Temperature Range

-30° to 212° F

Oil Resistant O-Rings Square

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Fractional
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Actual OD

Actual
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Hardness

Color

Temperature
Range

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