AS568 Buna O-Rings

OneMonroe's AS568 Buna O-Rings offer a versatile and durable sealing solution designed to meet a wide range of industrial needs. Crafted from high-quality Buna-N (Nitrile) rubber, these O-rings provide excellent resistance to oil, fuel, and various chemicals, making them a dependable choice for many applications. Known for their strength and elasticity, our Buna O-rings can perform under varying temperatures and pressures, maintaining a reliable seal even in challenging environments. Each AS568 Buna O-Ring meets industry standards, ensuring quality, consistency, and compatibility across a range of machines, equipment, and components.

Our AS568 Buna O-Rings come in a variety of sizes and thicknesses, allowing users to find the perfect fit for their specific applications. At Monroe, we understand the importance of compatibility, which is why we offer O-rings that meet the AS568 standard sizing requirements, the most widely recognized specification in sealing applications. This sizing consistency ensures that our Buna O-Rings provide a precise fit, minimizing the risk of leaks and enhancing the efficiency and lifespan of the equipment in which they’re used. From automotive engines and hydraulic systems to plumbing and air compressors, OneMonroe AS568 Buna O-Rings deliver reliable performance where it matters most.

Choosing OneMonroe AS568 Buna O-Rings means choosing a product built for durability and reliability. Our Buna-N material offers outstanding wear resistance, meaning these O-rings will withstand repeated use and maintain a strong seal over time. As a trusted leader in industrial components, OneMonroe is dedicated to providing high-quality products and customer service that exceeds expectations. When sealing solutions are critical to your application’s success, OneMonroe’s AS568 Buna O-Rings offer the performance, consistency, and resilience you can trust.

Item #	IntegrationID	Cross Section Width	Durometer	Inside Diameter	Cross Section Tolerance +/-	Inside Diameter Tolerance +/-	Size Reference - AS568	Alternate P/N	Product Guides
224B70	N/A 190049	N/A 0.139 in	N/A 70	N/A 1.734 in	N/A 0.004 in0.10 mm	N/A 0.015 in0.38 mm	N/A -224	N/A	N/A Seal Guides
224B90	N/A 190050	N/A 0.139 in	N/A 90	N/A 1.734 in	N/A 0.004 in0.10 mm	N/A 0.015 in0.38 mm	N/A -224	N/A	N/A Seal Guides
225B70	N/A 190051	N/A 0.139 in	N/A 70	N/A 1.859 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -225	N/A	N/A Seal Guides
225B90	N/A 190052	N/A 0.139 in	N/A 90	N/A 1.859 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -225	N/A	N/A Seal Guides
226B70	N/A 190053	N/A 0.139 in	N/A 70	N/A 1.984 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -226	N/A	N/A Seal Guides
226B90	N/A 190054	N/A 0.139 in	N/A 90	N/A 1.984 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -226	N/A	N/A Seal Guides
227B70	N/A 190055	N/A 0.139 in	N/A 70	N/A 2.109 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -227	N/A	N/A Seal Guides
227B90	N/A 190056	N/A 0.139 in	N/A 90	N/A 2.109 in	N/A 0.004 in0.10 mm	N/A 0.018 in0.46 mm	N/A -227	N/A	N/A Seal Guides
228B70	N/A 190057	N/A 0.139 in	N/A 70	N/A 2.234 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -228	N/A	N/A Seal Guides
228B90	N/A 190058	N/A 0.139 in	N/A 90	N/A 2.234 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -228	N/A	N/A Seal Guides
229B70	N/A 190059	N/A 0.139 in	N/A 70	N/A 2.359 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -229	N/A	N/A Seal Guides
229B90	N/A 190060	N/A 0.139 in	N/A 90	N/A 2.359 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -229	N/A	N/A Seal Guides
230B70	N/A 190061	N/A 0.139 in	N/A 70	N/A 2.484 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -230	N/A	N/A Seal Guides
230B90	N/A 190062	N/A 0.139 in	N/A 90	N/A 2.484 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -230	N/A	N/A Seal Guides
231B70	N/A 190063	N/A 0.139 in	N/A 70	N/A 2.609 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -231	N/A	N/A Seal Guides
231B90	N/A 190064	N/A 0.139 in	N/A 90	N/A 2.609 in	N/A 0.004 in0.10 mm	N/A 0.020 in0.50 mm	N/A -231	N/A	N/A Seal Guides
232B70	N/A 190065	N/A 0.139 in	N/A 70	N/A 2.734 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -232	N/A	N/A Seal Guides
232B90	N/A 190066	N/A 0.139 in	N/A 90	N/A 2.734 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -232	N/A	N/A Seal Guides
233B70	N/A 190067	N/A 0.139 in	N/A 70	N/A 2.859 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -233	N/A	N/A Seal Guides
233B90	N/A 190068	N/A 0.139 in	N/A 90	N/A 2.859 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -233	N/A	N/A Seal Guides
234B70	N/A 190069	N/A 0.139 in	N/A 70	N/A 2.984 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -234	N/A	N/A Seal Guides
234B90	N/A 190070	N/A 0.139 in	N/A 90	N/A 2.984 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -234	N/A	N/A Seal Guides
235B70	N/A 190071	N/A 0.139 in	N/A 70	N/A 3.109 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -235	N/A	N/A Seal Guides
235B90	N/A 190072	N/A 0.139 in	N/A 90	N/A 3.109 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -235	N/A	N/A Seal Guides
236B70	N/A 190073	N/A 0.139 in	N/A 70	N/A 3.234 in	N/A 0.004 in0.10 mm	N/A 0.024 in0.61 mm	N/A -236	N/A	N/A Seal Guides

N/A
190049

N/A 0.139 in

N/A 70

N/A 1.734 in

N/A 0.004 in0.10 mm

N/A 0.015 in0.38 mm

N/A -224

N/A

N/A Seal Guides

224B90

N/A
190050

N/A 0.139 in

N/A 90

N/A 1.734 in

N/A 0.004 in0.10 mm

N/A 0.015 in0.38 mm

N/A -224

N/A

N/A Seal Guides

225B70

N/A
190051

N/A 0.139 in

N/A 70

N/A 1.859 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -225

N/A

N/A Seal Guides

225B90

N/A
190052

N/A 0.139 in

N/A 90

N/A 1.859 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -225

N/A

N/A Seal Guides

226B70

N/A
190053

N/A 0.139 in

N/A 70

N/A 1.984 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -226

N/A

N/A Seal Guides

226B90

N/A
190054

N/A 0.139 in

N/A 90

N/A 1.984 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -226

N/A

N/A Seal Guides

227B70

N/A
190055

N/A 0.139 in

N/A 70

N/A 2.109 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -227

N/A

N/A Seal Guides

227B90

N/A
190056

N/A 0.139 in

N/A 90

N/A 2.109 in

N/A 0.004 in0.10 mm

N/A 0.018 in0.46 mm

N/A -227

N/A

N/A Seal Guides

228B70

N/A
190057

N/A 0.139 in

N/A 70

N/A 2.234 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -228

N/A

N/A Seal Guides

228B90

N/A
190058

N/A 0.139 in

N/A 90

N/A 2.234 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -228

N/A

N/A Seal Guides

229B70

N/A
190059

N/A 0.139 in

N/A 70

N/A 2.359 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -229

N/A

N/A Seal Guides

229B90

N/A
190060

N/A 0.139 in

N/A 90

N/A 2.359 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -229

N/A

N/A Seal Guides

230B70

N/A
190061

N/A 0.139 in

N/A 70

N/A 2.484 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -230

N/A

N/A Seal Guides

230B90

N/A
190062

N/A 0.139 in

N/A 90

N/A 2.484 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -230

N/A

N/A Seal Guides

231B70

N/A
190063

N/A 0.139 in

N/A 70

N/A 2.609 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -231

N/A

N/A Seal Guides

231B90

N/A
190064

N/A 0.139 in

N/A 90

N/A 2.609 in

N/A 0.004 in0.10 mm

N/A 0.020 in0.50 mm

N/A -231

N/A

N/A Seal Guides

232B70

N/A
190065

N/A 0.139 in

N/A 70

N/A 2.734 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -232

N/A

N/A Seal Guides

232B90

N/A
190066

N/A 0.139 in

N/A 90

N/A 2.734 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -232

N/A

N/A Seal Guides

233B70

N/A
190067

N/A 0.139 in

N/A 70

N/A 2.859 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -233

N/A

N/A Seal Guides

233B90

N/A
190068

N/A 0.139 in

N/A 90

N/A 2.859 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -233

N/A

N/A Seal Guides

234B70

N/A
190069

N/A 0.139 in

N/A 70

N/A 2.984 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -234

N/A

N/A Seal Guides

234B90

N/A
190070

N/A 0.139 in

N/A 90

N/A 2.984 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -234

N/A

N/A Seal Guides

235B70

N/A
190071

N/A 0.139 in

N/A 70

N/A 3.109 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -235

N/A

N/A Seal Guides

235B90

N/A
190072

N/A 0.139 in

N/A 90

N/A 3.109 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -235

N/A

N/A Seal Guides

236B70

N/A
190073

N/A 0.139 in

N/A 70

N/A 3.234 in

N/A 0.004 in0.10 mm

N/A 0.024 in0.61 mm

N/A -236

N/A

N/A Seal Guides