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

-224 PTFE	N/A 195380	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 44.04 mm1.734 in	N/A 0.004 in0.10 mm	N/A 0.015 in0.38 mm	N/A -224	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-225 PTFE	N/A 195381	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 47.22 mm1.859 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -225	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-226 PTFE	N/A 195382	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 50.39 mm1.984 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -226	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-227 PTFE	N/A 195383	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 53.57 mm2.109 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -227	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-228 PTFE	N/A 195384	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 56.74 mm2.234 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -228	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-229 PTFE	N/A 195385	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 59.92 mm2.359 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -229	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-230 PTFE	N/A 195386	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 63.09 mm2.484 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -230	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-231 PTFE	N/A 195387	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 66.27 mm2.609 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -231	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-232 PTFE	N/A 195388	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 69.44 mm2.734 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -232	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-233 PTFE	N/A 195389	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 72.62 mm2.859 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -233	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-234 PTFE	N/A 195390	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 75.79 mm2.984 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -234	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-235 PTFE	N/A 195391	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 78.97 mm3.109 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -235	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-236 PTFE	N/A 195392	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 82.14 mm3.234 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -236	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-237 PTFE	N/A 195393	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 85.32 mm3.359 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -237	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-238 PTFE	N/A 195394	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 88.49 mm3.484 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -238	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-239 PTFE	N/A 195395	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 91.67 mm3.609 in	N/A 0.004 in0.10 mm	N/A 0.028 in0.71 mm	N/A -239	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-240 PTFE	N/A 195396	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 94.84 mm3.734 in	N/A 0.004 in0.10 mm	N/A 0.028 in0.71 mm	N/A -240	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-241 PTFE	N/A 195397	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 98.02 mm3.859 in	N/A 0.004 in0.10 mm	N/A 0.028 in0.71 mm	N/A -241	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-242 PTFE	N/A 195398	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 101.19 mm3.984 in	N/A 0.004 in0.10 mm	N/A 0.028 in0.71 mm	N/A -242	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-243 PTFE	N/A 195399	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 104.37 mm4.109 in	N/A 0.004 in0.10 mm	N/A 0.028 in0.71 mm	N/A -243	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-244 PTFE	N/A 195400	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 107.54 mm4.234 in	N/A 0.004 in0.10 mm	N/A 0.030 in0.76 mm	N/A -244	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-245 PTFE	N/A 195401	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 110.72 mm4.359 in	N/A 0.004 in0.10 mm	N/A 0.030 in0.76 mm	N/A -245	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-246 PTFE	N/A 195402	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 113.89 mm4.484 in	N/A 0.004 in0.10 mm	N/A 0.030 in0.76 mm	N/A -246	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-247 PTFE	N/A 195403	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 117.07 mm4.609 in	N/A 0.004 in0.10 mm	N/A 0.030 in0.76 mm	N/A -247	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-248 PTFE	N/A 195404	N/A	N/A	N/A 0.139 in3.53 mm	N/A	N/A 120.24 mm4.734 in	N/A 0.004 in0.10 mm	N/A 0.030 in0.76 mm	N/A -248	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.

151 - 175 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