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

-178 KALREZ-90	N/A 194234	N/A	N/A	N/A 0.103 in2.62 mm	N/A 90	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 KALREZ-90	N/A 194235	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194236	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194237	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194238	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194239	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194240	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194241	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194242	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194243	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194244	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194245	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194246	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194247	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194248	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194249	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194250	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194251	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194252	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194253	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194254	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194255	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194256	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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 KALREZ-90	N/A 194257	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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.
-224 KALREZ-90	N/A 194258	N/A	N/A	N/A 0.139 in3.53 mm	N/A 90	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.

501 - 525 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