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OneMonroe Viton O-Rings are engineered to provide the highest level of performance in demanding sealing applications. Made from premium-grade Viton, these O-rings are highly resistant to a broad range of chemicals, extreme temperatures, and harsh environmental conditions. Viton’s exceptional durability makes it ideal for applications where ordinary rubber or silicone would deteriorate quickly, such as in the automotive, aerospace, and oil and gas industries. These O-rings are designed to maintain their elasticity and sealing ability even in challenging conditions, making them a reliable choice for professionals requiring resilient sealing solutions.

Available in the standard AS568 sizes, OneMonroe Viton O-Rings offer versatility and convenience for users needing to replace or upgrade existing O-ring installations. They are crafted with precision to ensure a perfect fit, providing an airtight and watertight seal that reduces the risk of leaks and system failures. Whether for static or dynamic applications, these O-rings deliver consistent performance, helping to enhance the lifespan of equipment and prevent costly repairs or downtime. With their high chemical resistance, OneMonroe Viton O-Rings are suitable for contact with fuels, oils, solvents, and many other corrosive substances.

Choosing OneMonroe Viton O-Rings means investing in reliability and longevity. Our O-rings undergo rigorous quality checks to ensure they meet industry standards and provide unmatched sealing capabilities. In addition to their durability, these O-rings retain flexibility over a wide temperature range, from -20°F to 400°F, allowing them to perform effectively in extreme heat and cold. Whether you’re working on a complex engineering project or need robust seals for everyday industrial use, OneMonroe Viton O-Rings offer the precision and performance necessary to keep your operations running smoothly and securely.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. Viton® is also known as: Fluorocarbon and FKM. Viton® is a registered trademarks of DuPont®.

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

Alternate P/N

Product Guides

Quantity
427V75 N/A
192643
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
427V90 N/A
192644
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 120.02 mm4.725 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -427 N/A N/A Seal Guides
428V75 N/A
192645
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
428V90 N/A
192646
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 123.19 mm4.850 in N/A 0.006 in0.15 mm N/A 0.033 in0.83 mm N/A -428 N/A N/A Seal Guides
429V75BW N/A
192647
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
429V90 N/A
192648
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 126.37 mm4.975 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -429 N/A N/A Seal Guides
430V75 N/A
192649
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
430V90 N/A
192650
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 129.54 mm5.100 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -430 N/A N/A Seal Guides
431V75 N/A
192651
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
431V90 N/A
192652
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 132.72 mm5.225 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -431 N/A N/A Seal Guides
432V75 N/A
192653
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
432V90 N/A
192654
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 135.89 mm5.350 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -432 N/A N/A Seal Guides
433V75 N/A
192655
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
433V90 N/A
192656
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 139.07 mm5.475 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -433 N/A N/A Seal Guides
434V75 N/A
192657
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
434V90 N/A
192658
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 142.24 mm5.600 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -434 N/A N/A Seal Guides
435V75 N/A
192659
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
435V90 N/A
192660
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 145.42 mm5.725 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -435 N/A N/A Seal Guides
436V75 N/A
192661
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
436V90 N/A
192662
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 148.59 mm5.850 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -436 N/A N/A Seal Guides
437V75 N/A
192663
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
437V90 N/A
192664
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 151.77 mm5.975 in N/A 0.006 in0.15 mm N/A 0.037 in0.93 mm N/A -437 N/A N/A Seal Guides
438V75 N/A
192665
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
438V90 N/A
192666
N/A AS568 Standard O-Rings N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 158.12 mm6.225 in N/A 0.006 in0.15 mm N/A 0.040 in1.01 mm N/A -438 N/A N/A Seal Guides
439V75 N/A
192667
N/A AS568 Standard O-Rings N/A Viton 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 N/A N/A Seal Guides
Unit of Measure
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