AS568 Aflas O-Rings

OneMonroe AS568 Aflas® O-Rings are designed to meet the demands of the most challenging environments, offering exceptional chemical resistance and high-temperature durability. Crafted from high-performance Aflas® material, these O-rings can withstand temperatures ranging from -14°F to 450°F, making them suitable for applications where extreme conditions are the norm. Unlike standard rubber seals, Aflas® O-rings maintain their integrity in harsh environments, including exposure to oils, acids, alkalis, and amine-based chemicals. They are particularly popular in industries such as automotive, aerospace, chemical processing, and oil & gas, where the combination of high-temperature resistance and chemical resilience is essential for reliable performance.

Engineered with precision, OneMonroe Aflas® O-Rings adhere to the AS568 dimensional standards, ensuring compatibility across a wide range of equipment and machinery. Each O-ring is meticulously manufactured to deliver a tight, effective seal that prevents leaks, even under high-pressure conditions. The unique composition of Aflas® material offers durability beyond what standard rubber O-rings can achieve, providing a solution that reduces maintenance needs and increases operational efficiency. By minimizing the frequency of replacements, these O-rings also help reduce downtime and optimize equipment performance, leading to greater cost savings over time.

OneMonroe is committed to delivering top-quality sealing solutions tailored to meet your specific requirements. Our AS568 Aflas® O-Rings come in various sizes, ensuring that you can find the perfect fit for your equipment. With a reputation for excellence and durability, OneMonroe’s Aflas® O-rings offer unparalleled longevity and reliability, even in the most demanding conditions. Choose OneMonroe for a solution that not only meets industry standards but also sets a new benchmark for quality and performance in extreme 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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Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	Cross Section Tolerance +/-	Inside Diameter Tolerance +/-	Size Reference - AS568

447AFLAS75	N/A 193705	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 227.97 mm8.975 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -447
448AFLAS75	N/A 193706	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 240.67 mm9.475 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -448
449AFLAS75	N/A 193707	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 253.37 mm9.975 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -449
450AFLAS75	N/A 193708	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 266.07 mm10.475 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -450
451AFLAS75	N/A 193709	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 278.77 mm10.975 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -451
452AFLAS75	N/A 193710	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 291.47 mm11.475 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -452
453AFLAS75	N/A 193711	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 304.17 mm11.975 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -453
454AFLAS75	N/A 193712	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 316.87 mm12.475 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -454
455AFLAS75	N/A 193713	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 329.57 mm12.975 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -455
456AFLAS75	N/A 193714	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 342.27 mm13.475 in	N/A 0.006 in0.15 mm	N/A 0.070 in1.78 mm	N/A -456
457AFLAS75	N/A 193715	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 354.97 mm13.975 in	N/A 0.006 in0.15 mm	N/A 0.070 in1.78 mm	N/A -457
458AFLAS75	N/A 193716	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 367.67 mm14.475 in	N/A 0.006 in0.15 mm	N/A 0.070 in1.78 mm	N/A -458
459AFLAS75	N/A 193717	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 380.37 mm14.975 in	N/A 0.006 in0.15 mm	N/A 0.070 in1.78 mm	N/A -459
460AFLAS75	N/A 193718	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 393.07 mm15.475 in	N/A 0.006 in0.15 mm	N/A 0.070 in1.78 mm	N/A -460
461AFLAS75	N/A 193719	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 405.26 mm15.955 in	N/A 0.006 in0.15 mm	N/A 0.075 in1.90 mm	N/A -461
462AFLAS75	N/A 193720	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 417.96 mm16.455 in	N/A 0.006 in0.15 mm	N/A 0.075 in1.90 mm	N/A -462
463AFLAS75	N/A 193721	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 430.66 mm16.955 in	N/A 0.006 in0.15 mm	N/A 0.080 in2.05 mm	N/A -463
464AFLAS75	N/A 193722	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 443.36 mm17.455 in	N/A 0.006 in0.15 mm	N/A 0.085 in2.15 mm	N/A -464
465AFLAS75	N/A 193723	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 456.06 mm17.955 in	N/A 0.006 in0.15 mm	N/A 0.085 in2.15 mm	N/A -465
466AFLAS75	N/A 193724	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 468.76 mm18.455 in	N/A 0.006 in0.15 mm	N/A 0.085 in2.15 mm	N/A -466
467AFLAS75	N/A 193725	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 481.46 mm18.955 in	N/A 0.006 in0.15 mm	N/A 0.090 in2.25 mm	N/A -467
468AFLAS75	N/A 193726	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 494.16 mm19.455 in	N/A 0.006 in0.15 mm	N/A 0.090 in2.25 mm	N/A -468
469AFLAS75	N/A 193727	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 506.86 mm19.955 in	N/A 0.006 in0.15 mm	N/A 0.090 in2.45 mm	N/A -469
470AFLAS75	N/A 193728	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 532.26 mm20.955 in	N/A 0.006 in0.15 mm	N/A 0.090 in2.45 mm	N/A -470
471AFLAS75	N/A 193729	N/A	N/A	N/A 0.275 in6.99 mm	N/A 75	N/A 557.66 mm21.955 in	N/A 0.006 in0.15 mm	N/A 0.100 in2.55 mm	N/A -471

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0.185
0.239
0.301
0.351
0.414
0.468
0.530
0.644
0.706
0.74
0.755
0.863
0.924
0.986
1.047
1.07
1.171
1.24
1.355
1.42
1.475
1.720
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
2.090
2.337
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
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0.081
0.101
0.112
0.114
0.143
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0.171
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0.185
0.206
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0.234
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0.296
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0.351
0.359
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0.364
0.412
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0.421
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0.426
0.468
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0.530
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0.546
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0.600
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0.644
0.662
0.671
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0.706
0.725
0.734
0.737
0.739
0.755
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0.796
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0.862
0.863
0.864
0.912
0.921
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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