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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.

AS568 Buna O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

Cross Section Tolerance +/-

Inside Diameter Tolerance +/-

Size Reference - AS568

Quantity
-422 AFLAS-75 N/A
193680
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 104.14 mm4.100 in N/A 0.006 in0.15 mm N/A 0.028 in0.71 mm N/A -422
-423 AFLAS-75 N/A
193681
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 107.32 mm4.225 in N/A 0.006 in0.15 mm N/A 0.030 in0.76 mm N/A -423
-424 AFLAS-75 N/A
193682
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 110.49 mm4.350 in N/A 0.006 in0.15 mm N/A 0.030 in0.76 mm N/A -424
425AFLAS75 N/A
193683
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 113.67 mm4.475 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -425
426AFLAS75 N/A
193684
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 116.84 mm4.600 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -426
427AFLAS75 N/A
193685
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 120.02 mm4.725 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -427
428AFLAS75 N/A
193686
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 123.19 mm4.850 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -428
429AFLAS75 N/A
193687
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 126.37 mm4.975 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -429
430AFLAS75 N/A
193688
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 129.54 mm5.100 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -430
431AFLAS75 N/A
193689
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 132.72 mm5.225 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -431
432AFLAS75 N/A
193690
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 135.89 mm5.350 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -432
433AFLAS75 N/A
193691
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 139.07 mm5.475 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -433
434AFLAS75 N/A
193692
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 142.24 mm5.600 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -434
435AFLAS75 N/A
193693
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 145.42 mm5.725 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -435
436AFLAS75 N/A
193694
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 148.59 mm5.850 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -436
437AFLAS75 N/A
193695
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 151.77 mm5.975 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -437
438AFLAS75 N/A
193696
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 158.12 mm6.225 in N/A 0.006 in0.15 mm N/A 0.040 in1.01 mm N/A -438
439AFLAS75 N/A
193697
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 164.47 mm6.475 in N/A 0.006 in0.15 mm N/A 0.040 in1.01 mm N/A -439
440AFLAS75 N/A
193698
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 170.82 mm6.725 in N/A 0.006 in0.15 mm N/A 0.040 in1.01 mm N/A -440
441AFLAS75 N/A
193699
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 177.17 mm6.975 in N/A 0.006 in0.15 mm N/A 0.040 in1.01 mm N/A -441
442AFLAS75 N/A
193700
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 183.52 mm7.225 in N/A 0.006 in0.15 mm N/A 0.045 in1.14 mm N/A -442
443AFLAS75 N/A
193701
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 189.87 mm7.475 in N/A 0.006 in0.15 mm N/A 0.045 in1.14 mm N/A -443
444AFLAS75 N/A
193702
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 196.22 mm7.725 in N/A 0.006 in0.15 mm N/A 0.045 in1.14 mm N/A -444
445AFLAS75 N/A
193703
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 202.57 mm7.975 in N/A 0.006 in0.15 mm N/A 0.045 in1.14 mm N/A -445
446AFLAS75 N/A
193704
N/A N/A N/A 0.275 in6.99 mm N/A 75 N/A 215.27 mm8.475 in N/A 0.006 in0.15 mm N/A 0.055 in1.40 mm N/A -446
Unit of Measure
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