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
274S70	N/A 192941	N/A 0.139 in3.53 mm	N/A 70	N/A 253.59 mm9.984 in	N/A 0.004 in0.10 mm	N/A 0.055 in1.40 mm	N/A -274	N/A
275S70	N/A 192942	N/A 0.139 in3.53 mm	N/A 70	N/A 266.29 mm10.484 in	N/A 0.004 in0.10 mm	N/A 0.055 in1.40 mm	N/A -275	N/A
276S70	N/A 192943	N/A 0.139 in3.53 mm	N/A 70	N/A 278.99 mm10.984 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -276	N/A
277S70	N/A 192944	N/A 0.139 in3.53 mm	N/A 70	N/A 291.69 mm11.484 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -277	N/A
278S70	N/A 192945	N/A 0.139 in3.53 mm	N/A 70	N/A 304.39 mm11.984 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -278	N/A
279S70	N/A 192946	N/A 0.139 in3.53 mm	N/A 70	N/A 329.79 mm12.984 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -279	N/A
280S70	N/A 192947	N/A 0.139 in3.53 mm	N/A 70	N/A 355.19 mm13.984 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -280	N/A
281S70	N/A 192948	N/A 0.139 in3.53 mm	N/A 70	N/A 380.59 mm14.984 in	N/A 0.004 in0.10 mm	N/A 0.065 in1.65 mm	N/A -281	N/A
282S70	N/A 192949	N/A 0.139 in3.53 mm	N/A 70	N/A 405.26 mm15.955 in	N/A 0.004 in0.10 mm	N/A 0.075 in1.90 mm	N/A -282	N/A
283S70	N/A 192950	N/A 0.139 in3.53 mm	N/A 70	N/A 430.66 mm16.955 in	N/A 0.004 in0.10 mm	N/A 0.080 in2.05 mm	N/A -283	N/A
284S70	N/A 192951	N/A 0.139 in3.53 mm	N/A 70	N/A 456.06 mm17.955 in	N/A 0.004 in0.10 mm	N/A 0.085 in2.15 mm	N/A -284	N/A
309S70	N/A 192952	N/A 0.210 in5.33 mm	N/A 70	N/A 10.46 mm0.412 in	N/A 0.005 in0.12 mm	N/A 0.005 in0.12 mm	N/A -309	N/A
310S70	N/A 192953	N/A 0.210 in5.33 mm	N/A 70	N/A 12.07 mm0.475 in	N/A 0.005 in0.12 mm	N/A 0.005 in0.12 mm	N/A -310	N/A
311S70	N/A 192954	N/A 0.210 in5.33 mm	N/A 70	N/A 13.64 mm0.537 in	N/A 0.005 in0.12 mm	N/A 0.007 in0.17 mm	N/A -311	N/A
312S70	N/A 192955	N/A 0.210 in5.33 mm	N/A 70	N/A 15.24 mm0.600 in	N/A 0.005 in0.12 mm	N/A 0.009 in0.22 mm	N/A -312	N/A
313S70	N/A 192956	N/A 0.210 in5.33 mm	N/A 70	N/A 16.81 mm0.662 in	N/A 0.005 in0.12 mm	N/A 0.009 in0.22 mm	N/A -313	N/A
314S70	N/A 192957	N/A 0.210 in5.33 mm	N/A 70	N/A 18.42 mm0.725 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -314	N/A
315S70	N/A 192958	N/A 0.210 in5.33 mm	N/A 70	N/A 19.99 mm0.787 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -315	N/A
316S70	N/A 192959	N/A 0.210 in5.33 mm	N/A 70	N/A 21.59 mm0.850 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -316	N/A
317S70	N/A 192960	N/A 0.210 in5.33 mm	N/A 70	N/A 23.16 mm0.912 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -317	N/A
318S70	N/A 192961	N/A 0.210 in5.33 mm	N/A 70	N/A 24.77 mm0.975 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -318	N/A
319S70	N/A 192962	N/A 0.210 in5.33 mm	N/A 70	N/A 26.34 mm1.037 in	N/A 0.005 in0.12 mm	N/A 0.010 in0.25 mm	N/A -319	N/A
320S70	N/A 192963	N/A 0.210 in5.33 mm	N/A 70	N/A 27.94 mm1.100 in	N/A 0.005 in0.12 mm	N/A 0.012 in0.30 mm	N/A -320	N/A
321S70	N/A 192964	N/A 0.210 in5.33 mm	N/A 70	N/A 29.51 mm1.162 in	N/A 0.005 in0.12 mm	N/A 0.012 in0.30 mm	N/A -321	N/A
322S70	N/A 192965	N/A 0.210 in5.33 mm	N/A 70	N/A 31.12 mm1.225 in	N/A 0.005 in0.12 mm	N/A 0.012 in0.30 mm	N/A -322	N/A

N/A
192941

N/A 0.139 in3.53 mm

N/A 70

N/A 253.59 mm9.984 in

N/A 0.004 in0.10 mm

N/A 0.055 in1.40 mm

N/A -274

N/A

275S70

N/A
192942

N/A 0.139 in3.53 mm

N/A 70

N/A 266.29 mm10.484 in

N/A 0.004 in0.10 mm

N/A 0.055 in1.40 mm

N/A -275

N/A

276S70

N/A
192943

N/A 0.139 in3.53 mm

N/A 70

N/A 278.99 mm10.984 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -276

N/A

277S70

N/A
192944

N/A 0.139 in3.53 mm

N/A 70

N/A 291.69 mm11.484 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -277

N/A

278S70

N/A
192945

N/A 0.139 in3.53 mm

N/A 70

N/A 304.39 mm11.984 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -278

N/A

279S70

N/A
192946

N/A 0.139 in3.53 mm

N/A 70

N/A 329.79 mm12.984 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -279

N/A

280S70

N/A
192947

N/A 0.139 in3.53 mm

N/A 70

N/A 355.19 mm13.984 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -280

N/A

281S70

N/A
192948

N/A 0.139 in3.53 mm

N/A 70

N/A 380.59 mm14.984 in

N/A 0.004 in0.10 mm

N/A 0.065 in1.65 mm

N/A -281

N/A

282S70

N/A
192949

N/A 0.139 in3.53 mm

N/A 70

N/A 405.26 mm15.955 in

N/A 0.004 in0.10 mm

N/A 0.075 in1.90 mm

N/A -282

N/A

283S70

N/A
192950

N/A 0.139 in3.53 mm

N/A 70

N/A 430.66 mm16.955 in

N/A 0.004 in0.10 mm

N/A 0.080 in2.05 mm

N/A -283

N/A

284S70

N/A
192951

N/A 0.139 in3.53 mm

N/A 70

N/A 456.06 mm17.955 in

N/A 0.004 in0.10 mm

N/A 0.085 in2.15 mm

N/A -284

N/A

309S70

N/A
192952

N/A 0.210 in5.33 mm

N/A 70

N/A 10.46 mm0.412 in

N/A 0.005 in0.12 mm

N/A -309

N/A

310S70

N/A
192953

N/A 0.210 in5.33 mm

N/A 70

N/A 12.07 mm0.475 in

N/A 0.005 in0.12 mm

N/A -310

N/A

311S70

N/A
192954

N/A 0.210 in5.33 mm

N/A 70

N/A 13.64 mm0.537 in

N/A 0.005 in0.12 mm

N/A 0.007 in0.17 mm

N/A -311

N/A

312S70

N/A
192955

N/A 0.210 in5.33 mm

N/A 70

N/A 15.24 mm0.600 in

N/A 0.005 in0.12 mm

N/A 0.009 in0.22 mm

N/A -312

N/A

313S70

N/A
192956

N/A 0.210 in5.33 mm

N/A 70

N/A 16.81 mm0.662 in

N/A 0.005 in0.12 mm

N/A 0.009 in0.22 mm

N/A -313

N/A

314S70

N/A
192957

N/A 0.210 in5.33 mm

N/A 70

N/A 18.42 mm0.725 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -314

N/A

315S70

N/A
192958

N/A 0.210 in5.33 mm

N/A 70

N/A 19.99 mm0.787 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -315

N/A

316S70

N/A
192959

N/A 0.210 in5.33 mm

N/A 70

N/A 21.59 mm0.850 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -316

N/A

317S70

N/A
192960

N/A 0.210 in5.33 mm

N/A 70

N/A 23.16 mm0.912 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -317

N/A

318S70

N/A
192961

N/A 0.210 in5.33 mm

N/A 70

N/A 24.77 mm0.975 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -318

N/A

319S70

N/A
192962

N/A 0.210 in5.33 mm

N/A 70

N/A 26.34 mm1.037 in

N/A 0.005 in0.12 mm

N/A 0.010 in0.25 mm

N/A -319

N/A

320S70

N/A
192963

N/A 0.210 in5.33 mm

N/A 70

N/A 27.94 mm1.100 in

N/A 0.005 in0.12 mm

N/A 0.012 in0.30 mm

N/A -320

N/A

321S70

N/A
192964

N/A 0.210 in5.33 mm

N/A 70

N/A 29.51 mm1.162 in

N/A 0.005 in0.12 mm

N/A 0.012 in0.30 mm

N/A -321

N/A

322S70

N/A
192965

N/A 0.210 in5.33 mm

N/A 70

N/A 31.12 mm1.225 in

N/A 0.005 in0.12 mm

N/A 0.012 in0.30 mm

N/A -322

N/A