AS568 Perfluoroelastomer 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 nFor more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. Perfluoroelastomer is also known as FKKM and Perfloro.

Parts resist over 1,800 different chemicals, while offering the high temperature stability of PTFE (327°C). They’re used in aggressive chemical processing, pharmaceutical, oil rcovery, gas recovery, and aerospace applications. The proven, long-term performance of Kalrez® parts can mean less repairs, seal changes, inspections and equipment uptime for greater productivity and yield.

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Cross Section Width (mm)

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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 KALREZ-70	N/A 193884	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193885	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193886	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193887	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193888	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193889	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193890	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193891	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193892	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193893	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193894	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193895	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193896	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193897	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193898	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193899	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193900	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193901	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193902	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193903	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193904	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193905	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193906	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193907	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 KALREZ-70	N/A 193908	N/A	N/A	N/A 0.139 in3.53 mm	N/A 70	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 1182 | 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
0.185
0.206
0.208
0.234
0.237
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