AS568 Fluorosilicone O-Rings

Standard O-Rings are available in 369 sizes as set up by the Aerospace Standard 568 published by the Society of Automotive Engineers. These sizes are designated by dash numbers shown on the 568 DASH Chart and are standardized by imperial dimensions. Standard O-Rings are specified by their inside diameter and cross section width. AS568 is the most commonly used standard in the U.S. for aerospace, automotive and general industrial applications.For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C).

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Cross Section Width (mm)

Inside Diameter (mm)

Inside Diameter (in)

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	Cross Section Tolerance +/-	Inside Diameter Tolerance +/-	Size Reference - AS568	Units of Measure	Tube Size O.D.	Call for a Quote	O-Ring Industries

-912 Fluorosillicone-75		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.116 in	N/A 75	N/A 0.924 mm0.924 in	N/A 0.004 in	N/A 0.009 in	N/A -912	N/A Imperial	N/A 3/4	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-908 Fluorosillicone-70		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.087 in	N/A 70	N/A 0.644 mm0.644 in	N/A 0.003 in	N/A 0.009 in	N/A -908	N/A Imperial	N/A 1/2	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-909 Fluorosillicone-70		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.097 in	N/A 70	N/A 0.706 mm0.706 in	N/A 0.003 in	N/A 0.009 in	N/A -909	N/A Imperial	N/A 9/16	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-910 Fluorosillicone-70		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.097 in	N/A 70	N/A 0.755 mm0.755 in	N/A 0.003 in	N/A 0.009 in	N/A -910	N/A Imperial	N/A 5/8	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-911 Fluorosillicone-70		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.116 in	N/A 70	N/A 0.863 mm0.863 in	N/A 0.004 in	N/A 0.009 in	N/A -911	N/A Imperial	N/A 11/16	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-912 Fluorosillicone-70		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.116 in	N/A 70	N/A 0.924 mm0.924 in	N/A 0.004 in	N/A 0.009 in	N/A -912	N/A Imperial	N/A 3/4	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-908 Fluorosillicone-90		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.087 in	N/A 90	N/A 0.644 mm0.644 in	N/A 0.003 in	N/A 0.009 in	N/A -908	N/A Imperial	N/A 1/2	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-909 Fluorosillicone-90		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.097 in	N/A 90	N/A 0.706 mm0.706 in	N/A 0.003 in	N/A 0.009 in	N/A -909	N/A Imperial	N/A 9/16	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-910 Fluorosillicone-90		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.097 in	N/A 90	N/A 0.755 mm0.755 in	N/A 0.003 in	N/A 0.009 in	N/A -910	N/A Imperial	N/A 5/8	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-911 Fluorosillicone-90		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.116 in	N/A 90	N/A 0.863 mm0.863 in	N/A 0.004 in	N/A 0.009 in	N/A -911	N/A Imperial	N/A 11/16	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-912 Fluorosillicone-90		N/A AS568 Standard O-Rings	N/A Fluorosillicone	N/A 0.116 in	N/A 90	N/A 0.924 mm0.924 in	N/A 0.004 in	N/A 0.009 in	N/A -912	N/A Imperial	N/A 3/4	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-022 F-70	N/A 194877	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 25.12 mm0.989 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -022	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-023 F-70	N/A 194878	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 26.70 mm1.051 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -023	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-024 F-70	N/A 194879	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 28.30 mm1.114 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -024	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-210 F-70	N/A 194992	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 18.64 mm0.734 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -210	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-211 F-70	N/A 194993	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 20.22 mm0.796 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -211	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-212 F-70	N/A 194994	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 21.82 mm0.859 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -212	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-213 F-70	N/A 194995	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 23.39 mm0.921 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -213	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-214 F-70	N/A 194996	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 24.99 mm0.984 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -214	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-215 F-70	N/A 194997	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	N/A 26.57 mm1.046 in	N/A 0.004 in0.10 mm	N/A 0.010 in0.25 mm	N/A -215	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-117 F-70	N/A 194921	N/A	N/A	N/A 0.103 in2.62 mm	N/A 70	N/A 20.29 mm0.799 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -117	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-118 F-70	N/A 194922	N/A	N/A	N/A 0.103 in2.62 mm	N/A 70	N/A 21.89 mm0.862 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -118	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-119 F-70	N/A 194923	N/A	N/A	N/A 0.103 in2.62 mm	N/A 70	N/A 23.47 mm0.924 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -119	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-120 F-70	N/A 194924	N/A	N/A	N/A 0.103 in2.62 mm	N/A 70	N/A 25.07 mm0.987 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -120	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-121 F-70	N/A 194925	N/A	N/A	N/A 0.103 in2.62 mm	N/A 70	N/A 26.64 mm1.049 in	N/A 0.003 in0.08 mm	N/A 0.010 in0.25 mm	N/A -121	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.

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0.185
0.239
0.301
0.351
0.414
0.468
0.530
0.644
0.706
0.74
0.755
0.863
0.924
0.986
1.047
1.07
1.171
1.24
1.355
1.42
1.475
1.720
1.78
10.46
10.69
10.77
10.82
100.97
101.19
101.27
101.32
104.14
104.37
107.32
107.54
107.62
107.67
110.49
110.72
113.67
113.89
113.97
114.02
116.84
117.07
12.07
12.29
12.37
12.42
120.02
120.24
120.32
120.37
123.19
123.42
126.37
126.59
126.67
126.72
129.54
129.77
13.64
13.87
13.94
132.72
132.94
133.02
133.07
135.89
136.12
139.07
139.29
139.37
14.00
142.24
142.47
145.42
145.64
145.72
148.59
148.82
15.24
15.47
15.54
15.60
151.77
151.99
152.07
158.12
158.34
158.42
16.81
164.47
164.69
164.77
17.04
17.12
17.17
170.82
171.04
171.12
177.17
177.39
177.47
18.42
18.64
18.72
18.77
183.52
183.74
183.82
189.87
19.99
190.09
190.17
196.22
196.44
196.52
2.06
2.090
2.337
2.57
2.84
2.90
20.22
20.29
20.35
202.57
202.79
202.87
208.92
209.14
209.22
21.59
21.82
21.89
21.95
215.27
215.49
215.57
221.62
221.84
221.92
227.97
228.19
228.27
23.16
23.39
23.47
23.52
234.32
234.54
234.62
24.77
24.99
240.67
240.89
240.97
247.02
247.24
247.32
25.07
25.12
253.37
253.59
26.34
26.57
26.64
26.70
266.07
266.29
27.94
278.77
278.99
28.17
28.24
28.30
29.51
29.74
29.82
29.87
291.47
291.69
3.63
3.68
304.17
304.39
31.12
31.34
31.42
31.47
316.87
32.69
32.92
32.99
329.55
329.57
329.79
33.05
34.29
34.52
34.59
34.65
342.27
354.97
355.19
36.09
36.17
367.67
37.47
37.69
37.77
37.82
380.37
380.59
39.34
393.07
4.34
4.42
4.47
40.64
40.87
40.94
405.26
41.00
417.96
42.52
43.82
430.66
44.04
44.12
44.17
443.36
45.69
456.06
46.99
468.76
47.22
47.29
47.35
48.90
481.46
494.16
5.23
5.28
5.94
50.17
50.39
50.47
50.52
506.86
52.07
53.34
53.57
53.64
53.70
532.26
55.25
557.66
56.52
56.74
56.82
56.87
58.42
582.65
59.69
59.92
59.99
6.02
6.07
60.05
608.10
61.60
62.87
63.09
63.17
63.22
633.50
64.77
658.85
658.88
66.04
66.27
66.34
66.40
67.95
69.22
69.44
69.52
69.57
7.52
7.59
7.65
71.12
72.39
72.62
72.69
72.75
75.57
75.79
75.87
75.92
78.74
78.97
81.92
82.14
82.22
82.27
85.09
85.32
88.27
88.49
88.57
88.62
9.12
9.19
9.25
91.44
91.67
94.62
94.84
94.92
94.97
97.79
98.02

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0.029
0.042
0.049
0.056
0.070
0.081
0.101
0.112
0.114
0.143
0.145
0.171
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0.176
0.185
0.206
0.208
0.234
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0.239
0.296
0.299
0.300
0.301
0.351
0.359
0.362
0.364
0.412
0.414
0.421
0.424
0.426
0.468
0.475
0.484
0.487
0.489
0.530
0.537
0.546
0.549
0.551
0.600
0.609
0.612
0.614
0.644
0.662
0.671
0.674
0.676
0.706
0.725
0.734
0.737
0.739
0.755
0.787
0.796
0.799
0.801
0.850
0.859
0.862
0.863
0.864
0.912
0.921
0.924
0.926
0.975
0.984
0.986
0.987
0.989
1.037
1.046
1.047
1.049
1.051
1.100
1.109
1.112
1.114
1.162
1.171
1.174
1.176
1.225
1.234
1.237
1.239
1.287
1.296
1.299
1.301
1.350
1.355
1.359
1.362
1.364
1.421
1.424
1.475
1.484
1.487
1.489
1.549
1.600
1.609
1.612
1.614
1.674
1.720
1.725
1.734
1.737
1.739
1.799
1.850
1.859
1.862
1.864
1.925
1.975
1.984
1.987
1.989
10.475
10.484
10.975
10.984
11.475
11.484
11.975
11.984
12.475
12.975
12.984
13.475
13.975
13.984
14.475
14.975
14.984
15.475
15.955
16.455
16.955
17.455
17.955
18.455
18.955
19.455
19.955
2.050
2.090
2.100
2.109
2.112
2.114
2.175
2.225
2.234
2.237
2.239
2.300
2.337
2.350
2.359
2.362
2.364
2.425
2.475
2.484
2.487
2.489
2.550
2.600
2.609
2.612
2.614
2.675
2.725
2.734
2.737
2.739
2.800
2.850
2.859
2.862
2.864
2.975
2.984
2.987
2.989
20.955
21.955
22.940
23.940
24.940
25.940
3.100
3.109
3.225
3.234
3.237
3.239
3.350
3.359
3.475
3.484
3.487
3.489
3.600
3.609
3.725
3.734
3.737
3.739
3.850
3.859
3.975
3.984
3.987
3.989
4.100
4.109
4.225
4.234
4.237
4.239
4.350
4.359
4.475
4.484
4.487
4.489
4.600
4.609
4.725
4.734
4.737
4.739
4.850
4.859
4.975
4.984
4.987
4.989
5.100
5.109
5.225
5.234
5.237
5.239
5.350
5.359
5.475
5.484
5.487
5.600
5.609
5.725
5.734
5.737
5.850
5.859
5.975
5.984
5.987
6.225
6.234
6.237
6.475
6.484
6.487
6.725
6.734
6.737
6.975
6.984
6.987
7.225
7.234
7.237
7.475
7.484
7.487
7.725
7.734
7.737
7.975
7.984
7.987
8.225
8.234
8.237
8.475
8.484
8.487
8.725
8.734
8.737
8.975
8.984
8.987
9.225
9.234
9.237
9.475
9.484
9.487
9.725
9.734
9.737
9.975
9.984