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 (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

-001 KALREZ-70	N/A 193734	N/A	N/A	N/A 0.040 in1.02 mm	N/A 70	N/A 0.74 mm0.029 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -001	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-002 KALREZ-70	N/A 193735	N/A	N/A	N/A 0.050 in1.27 mm	N/A 70	N/A 1.07 mm0.042 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -002	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-003 KALREZ-70	N/A 193736	N/A	N/A	N/A 0.060 in1.52 mm	N/A 70	N/A 1.42 mm0.056 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -003	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-004 KALREZ-70	N/A 193737	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 1.78 mm0.070 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -004	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-005 KALREZ-70	N/A 193738	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 2.57 mm0.101 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -005	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-006 KALREZ-70	N/A 193739	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 2.90 mm0.114 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -006	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-007 KALREZ-70	N/A 193740	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 3.68 mm0.145 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -007	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-008 KALREZ-70	N/A 193741	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 4.47 mm0.176 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -008	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-009 KALREZ-70	N/A 193742	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 5.28 mm0.208 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -009	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-010 KALREZ-70	N/A 193743	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 6.07 mm0.239 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -010	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-011 KALREZ-70	N/A 193744	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 7.65 mm0.300 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -011	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-012 KALREZ-70	N/A 193745	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 9.25 mm0.364 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -012	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-013 KALREZ-70	N/A 193746	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 10.82 mm0.426 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -013	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-014 KALREZ-70	N/A 193747	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 12.42 mm0.489 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -014	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-015 KALREZ-70	N/A 193748	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 14.00 mm0.551 in	N/A 0.003 in0.08 mm	N/A 0.007 in0.17 mm	N/A -015	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-016 KALREZ-70	N/A 193749	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 15.60 mm0.614 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -016	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-017 KALREZ-70	N/A 193750	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 17.17 mm0.676 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -017	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-018 KALREZ-70	N/A 193751	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 18.77 mm0.739 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -018	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-019 KALREZ-70	N/A 193752	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 20.35 mm0.801 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -019	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-020 KALREZ-70	N/A 193753	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 21.95 mm0.864 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -020	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-021 KALREZ-70	N/A 193754	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 23.52 mm0.926 in	N/A 0.003 in0.08 mm	N/A 0.009 in0.22 mm	N/A -021	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-022 KALREZ-70	N/A 193755	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 KALREZ-70	N/A 193756	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 KALREZ-70	N/A 193757	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.
-025 KALREZ-70	N/A 193758	N/A	N/A	N/A 0.070 in1.78 mm	N/A 70	N/A 29.87 mm1.176 in	N/A 0.003 in0.08 mm	N/A 0.011 in0.28 mm	N/A -025	N/A	N/A	N/A	N/A O-rings are used in the military, automotive, aerospace and agriculture industries.

1 - 25 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