AS568 Silicone O-Rings

OneMonroe Silicone O-Rings offer exceptional sealing solutions for a wide range of applications, ensuring reliability and durability under various operating conditions. Known for their superior elasticity and resistance to extreme temperatures, these silicone O-rings provide a strong, consistent seal in environments that demand high performance. Manufactured in compliance with AS568 standards, they are engineered to deliver precision and quality, making them ideal for use in industries such as automotive, aerospace, food and beverage, and medical. Whether you’re working with high heat or low temperatures, OneMonroe’s silicone O-rings maintain their flexibility and sealing strength, ensuring optimal performance over time.

Our silicone O-rings are designed for versatility and longevity. Thanks to their high resistance to compression set and resilience against UV, ozone, and various weather conditions, these O-rings are perfectly suited for both indoor and outdoor applications. This durability is further complemented by silicone's natural resistance to a wide range of chemicals, including water, acids, and bases, making them suitable for applications where exposure to harsh substances is a concern. With a range of sizes available, OneMonroe’s AS568 silicone O-rings provide seamless integration with various equipment, delivering a dependable sealing solution across industries.

OneMonroe is committed to delivering quality products that meet and exceed industry standards. Our silicone O-rings are rigorously tested to ensure consistency and reliability, providing peace of mind for applications that require a dependable seal. Whether for manufacturing, repairs, or new installations, OneMonroe’s silicone O-rings offer an ideal balance of flexibility, resilience, and chemical resistance. Trust in OneMonroe for a sealing solution that combines durability, quality, and exceptional performance across every application.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

Item #	IntegrationID	Cross Section Width	Durometer	Inside Diameter	Cross Section Tolerance +/-	Inside Diameter Tolerance +/-	Size Reference - AS568	Alternate P/N	Product Guides
427S70	N/A 193066	N/A 0.275 in6.99 mm	N/A 70	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
428S70	N/A 193067	N/A 0.275 in6.99 mm	N/A 70	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
429S70	N/A 193068	N/A 0.275 in6.99 mm	N/A 70	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
430S70	N/A 193069	N/A 0.275 in6.99 mm	N/A 70	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
431S70	N/A 193070	N/A 0.275 in6.99 mm	N/A 70	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
432S70	N/A 193071	N/A 0.275 in6.99 mm	N/A 70	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
433S70	N/A 193072	N/A 0.275 in6.99 mm	N/A 70	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
434S70	N/A 193073	N/A 0.275 in6.99 mm	N/A 70	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
435S70	N/A 193074	N/A 0.275 in6.99 mm	N/A 70	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
436S70	N/A 193075	N/A 0.275 in6.99 mm	N/A 70	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
437S70	N/A 193076	N/A 0.275 in6.99 mm	N/A 70	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
438S70	N/A 193077	N/A 0.275 in6.99 mm	N/A 70	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
439S70	N/A 193078	N/A 0.275 in6.99 mm	N/A 70	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
440S70	N/A 193079	N/A 0.275 in6.99 mm	N/A 70	N/A 170.82 mm6.725 in	N/A 0.006 in0.15 mm	N/A 0.040 in1.01 mm	N/A -440	N/A	N/A Seal Guides
441S70	N/A 193080	N/A 0.275 in6.99 mm	N/A 70	N/A 177.17 mm6.975 in	N/A 0.006 in0.15 mm	N/A 0.040 in1.01 mm	N/A -441	N/A	N/A Seal Guides
442S70	N/A 193081	N/A 0.275 in6.99 mm	N/A 70	N/A 183.52 mm7.225 in	N/A 0.006 in0.15 mm	N/A 0.045 in1.14 mm	N/A -442	N/A	N/A Seal Guides
443S70	N/A 193082	N/A 0.275 in6.99 mm	N/A 70	N/A 189.87 mm7.475 in	N/A 0.006 in0.15 mm	N/A 0.045 in1.14 mm	N/A -443	N/A	N/A Seal Guides
444S70	N/A 193083	N/A 0.275 in6.99 mm	N/A 70	N/A 196.22 mm7.725 in	N/A 0.006 in0.15 mm	N/A 0.045 in1.14 mm	N/A -444	N/A	N/A Seal Guides
445S70	N/A 193084	N/A 0.275 in6.99 mm	N/A 70	N/A 202.57 mm7.975 in	N/A 0.006 in0.15 mm	N/A 0.045 in1.14 mm	N/A -445	N/A	N/A Seal Guides
446S70	N/A 193085	N/A 0.275 in6.99 mm	N/A 70	N/A 215.27 mm8.475 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -446	N/A	N/A Seal Guides
447S70	N/A 193086	N/A 0.275 in6.99 mm	N/A 70	N/A 227.97 mm8.975 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -447	N/A	N/A Seal Guides
448S70	N/A 193087	N/A 0.275 in6.99 mm	N/A 70	N/A 240.67 mm9.475 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -448	N/A	N/A Seal Guides
449S70	N/A 193088	N/A 0.275 in6.99 mm	N/A 70	N/A 253.37 mm9.975 in	N/A 0.006 in0.15 mm	N/A 0.055 in1.40 mm	N/A -449	N/A	N/A Seal Guides
450S70	N/A 193089	N/A 0.275 in6.99 mm	N/A 70	N/A 266.07 mm10.475 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -450	N/A	N/A Seal Guides
451S70	N/A 193090	N/A 0.275 in6.99 mm	N/A 70	N/A 278.77 mm10.975 in	N/A 0.006 in0.15 mm	N/A 0.060 in1.52 mm	N/A -451	N/A	N/A Seal Guides

N/A
193066

N/A 0.275 in6.99 mm

N/A 70

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

428S70

N/A
193067

N/A 0.275 in6.99 mm

N/A 70

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

429S70

N/A
193068

N/A 0.275 in6.99 mm

N/A 70

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

430S70

N/A
193069

N/A 0.275 in6.99 mm

N/A 70

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

431S70

N/A
193070

N/A 0.275 in6.99 mm

N/A 70

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

432S70

N/A
193071

N/A 0.275 in6.99 mm

N/A 70

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

433S70

N/A
193072

N/A 0.275 in6.99 mm

N/A 70

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

434S70

N/A
193073

N/A 0.275 in6.99 mm

N/A 70

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

435S70

N/A
193074

N/A 0.275 in6.99 mm

N/A 70

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

436S70

N/A
193075

N/A 0.275 in6.99 mm

N/A 70

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

437S70

N/A
193076

N/A 0.275 in6.99 mm

N/A 70

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

438S70

N/A
193077

N/A 0.275 in6.99 mm

N/A 70

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

439S70

N/A
193078

N/A 0.275 in6.99 mm

N/A 70

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

440S70

N/A
193079

N/A 0.275 in6.99 mm

N/A 70

N/A 170.82 mm6.725 in

N/A 0.006 in0.15 mm

N/A 0.040 in1.01 mm

N/A -440

N/A

N/A Seal Guides

441S70

N/A
193080

N/A 0.275 in6.99 mm

N/A 70

N/A 177.17 mm6.975 in

N/A 0.006 in0.15 mm

N/A 0.040 in1.01 mm

N/A -441

N/A

N/A Seal Guides

442S70

N/A
193081

N/A 0.275 in6.99 mm

N/A 70

N/A 183.52 mm7.225 in

N/A 0.006 in0.15 mm

N/A 0.045 in1.14 mm

N/A -442

N/A

N/A Seal Guides

443S70

N/A
193082

N/A 0.275 in6.99 mm

N/A 70

N/A 189.87 mm7.475 in

N/A 0.006 in0.15 mm

N/A 0.045 in1.14 mm

N/A -443

N/A

N/A Seal Guides

444S70

N/A
193083

N/A 0.275 in6.99 mm

N/A 70

N/A 196.22 mm7.725 in

N/A 0.006 in0.15 mm

N/A 0.045 in1.14 mm

N/A -444

N/A

N/A Seal Guides

445S70

N/A
193084

N/A 0.275 in6.99 mm

N/A 70

N/A 202.57 mm7.975 in

N/A 0.006 in0.15 mm

N/A 0.045 in1.14 mm

N/A -445

N/A

N/A Seal Guides

446S70

N/A
193085

N/A 0.275 in6.99 mm

N/A 70

N/A 215.27 mm8.475 in

N/A 0.006 in0.15 mm

N/A 0.055 in1.40 mm

N/A -446

N/A

N/A Seal Guides

447S70

N/A
193086

N/A 0.275 in6.99 mm

N/A 70

N/A 227.97 mm8.975 in

N/A 0.006 in0.15 mm

N/A 0.055 in1.40 mm

N/A -447

N/A

N/A Seal Guides

448S70

N/A
193087

N/A 0.275 in6.99 mm

N/A 70

N/A 240.67 mm9.475 in

N/A 0.006 in0.15 mm

N/A 0.055 in1.40 mm

N/A -448

N/A

N/A Seal Guides

449S70

N/A
193088

N/A 0.275 in6.99 mm

N/A 70

N/A 253.37 mm9.975 in

N/A 0.006 in0.15 mm

N/A 0.055 in1.40 mm

N/A -449

N/A

N/A Seal Guides

450S70

N/A
193089

N/A 0.275 in6.99 mm

N/A 70

N/A 266.07 mm10.475 in

N/A 0.006 in0.15 mm

N/A 0.060 in1.52 mm

N/A -450

N/A

N/A Seal Guides

451S70

N/A
193090

N/A 0.275 in6.99 mm

N/A 70

N/A 278.77 mm10.975 in

N/A 0.006 in0.15 mm

N/A 0.060 in1.52 mm

N/A -451

N/A

N/A Seal Guides