AS568 PTFE 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.

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Cross Section Width (in)

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

-177 PTFE	N/A 195355	N/A	N/A	N/A 0.103 in2.62 mm	N/A	N/A 240.97 mm9.487 in	N/A 0.003 in0.08 mm	N/A 0.055 in1.40 mm	N/A -177	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-178 PTFE	N/A 195356	N/A	N/A	N/A 0.103 in2.62 mm	N/A	N/A 247.32 mm9.737 in	N/A 0.003 in0.08 mm	N/A 0.055 in1.40 mm	N/A -178	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-201 PTFE	N/A 195357	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 4.34 mm0.171 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -201	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-202 PTFE	N/A 195358	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 5.94 mm0.234 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -202	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-203 PTFE	N/A 195359	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 7.52 mm0.296 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -203	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-204 PTFE	N/A 195360	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 9.12 mm0.359 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -204	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-205 PTFE	N/A 195361	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 10.69 mm0.421 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -205	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-206 PTFE	N/A 195362	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 12.29 mm0.484 in	N/A 0.004 in0.10 mm	N/A 0.005 in0.12 mm	N/A -206	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-207 PTFE	N/A 195363	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 13.87 mm0.546 in	N/A 0.004 in0.10 mm	N/A 0.007 in0.17 mm	N/A -207	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-208 PTFE	N/A 195364	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 15.47 mm0.609 in	N/A 0.004 in0.10 mm	N/A 0.009 in0.23 mm	N/A -208	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-209 PTFE	N/A 195365	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 17.04 mm0.671 in	N/A 0.004 in0.10 mm	N/A 0.009 in0.23 mm	N/A -209	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-210 PTFE	N/A 195366	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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 PTFE	N/A 195367	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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 PTFE	N/A 195368	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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 PTFE	N/A 195369	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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 PTFE	N/A 195370	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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 PTFE	N/A 195371	N/A	N/A	N/A 0.139 in3.53 mm	N/A	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.
-216 PTFE	N/A 195372	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 28.17 mm1.109 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -216	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-217 PTFE	N/A 195373	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 29.74 mm1.171 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -217	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-218 PTFE	N/A 195374	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 31.34 mm1.234 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -218	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-219 PTFE	N/A 195375	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 32.92 mm1.296 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -219	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-220 PTFE	N/A 195376	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 34.52 mm1.359 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -220	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-221 PTFE	N/A 195377	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 36.09 mm1.421 in	N/A 0.004 in0.10 mm	N/A 0.012 in0.30 mm	N/A -221	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-222 PTFE	N/A 195378	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 37.69 mm1.484 in	N/A 0.004 in0.10 mm	N/A 0.015 in0.38 mm	N/A -222	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-223 PTFE	N/A 195379	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 40.87 mm1.609 in	N/A 0.004 in0.10 mm	N/A 0.015 in0.38 mm	N/A -223	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.

126 - 150 of 374 | Results Per Page | View | Unit of Measure

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No Preference
0.74
1.07
1.24
1.42
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
2.57
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

No Preference
0.029
0.042
0.049
0.056
0.070
0.081
0.101
0.112
0.114
0.143
0.145
0.171
0.174
0.176
0.206
0.208
0.234
0.237
0.239
0.296
0.299
0.300
0.359
0.362
0.364
0.412
0.421
0.424
0.426
0.475
0.484
0.487
0.489
0.537
0.546
0.549
0.551
0.600
0.609
0.612
0.614
0.662
0.671
0.674
0.676
0.725
0.734
0.737
0.739
0.787
0.796
0.799
0.801
0.850
0.859
0.862
0.864
0.912
0.921
0.924
0.926
0.975
0.984
0.987
0.989
1.037
1.046
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
1.359
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
1.725
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
2.100
2.109
2.112
2.114
2.175
2.225
2.234
2.237
2.239
2.300
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