Metric Buna O-Rings

OneMonroe’s Metric Buna O-Rings are engineered to provide reliable sealing performance across a variety of industrial and commercial applications. Made from high-quality Buna-N (Nitrile) rubber, these O-rings are known for their excellent resistance to oils, fuels, and other petroleum-based products, making them ideal for use in environments where durable, leak-proof seals are essential. Buna-N’s resilient properties allow it to maintain its integrity even in challenging temperatures, ranging from -40°F to 250°F, ensuring these O-rings can withstand both low and high-stress conditions with ease. With a broad range of metric sizes available, OneMonroe ensures you’ll find the right fit for your exact specifications.

Our Metric Buna O-Rings are crafted to offer outstanding resistance to abrasion and tearing, providing long-lasting performance in rigorous applications. This makes them well-suited for automotive, aerospace, marine, and hydraulic systems, as well as in general maintenance and repair settings. The unique chemical composition of Buna-N allows these O-rings to endure pressure and friction over extended periods without compromising their sealing capabilities, making them a reliable choice for static and dynamic sealing tasks. Each O-ring is manufactured to precise industry standards, ensuring a dependable fit and function in every installation.

With OneMonroe, you’re getting more than just a product; you’re receiving a commitment to quality and expertise. Our team is dedicated to supporting your projects with high-quality metric Buna O-Rings that meet both industry standards and specific customer requirements. We provide technical support to help you select the best O-ring for your application, offering detailed product specifications and guidance. Trust OneMonroe to deliver durable, efficient, and cost-effective sealing solutions tailored to meet the demands of your unique projects.

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

Item #	IntegrationID	Type	Material	Cross Reference	Cross Section Width	Durometer	Inside Diameter
165x2.00B70	N/A 118279	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 70	N/A 165.00 mm
165 X 2 B-90	N/A 118280	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 90	N/A 165.00 mm
180x2.00B70	N/A 118281	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 70	N/A 180.00 mm
180 X 2 B-90	N/A 118282	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 90	N/A 180.00 mm
194x2.00B70	N/A 118283	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 70	N/A 194.00 mm
194 X 2 B-90	N/A 118284	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.00 mm	N/A 90	N/A 194.00 mm
13.46 X 2.08 B-70	N/A 118285	N/A Metric Standard O-Ring	N/A Buna	N/A 907	N/A 2.08 mm	N/A 70	N/A 13.46 mm
13.46 X 2.08 B-90	N/A 118286	N/A Metric Standard O-Ring	N/A Buna	N/A 907	N/A 2.08 mm	N/A 90	N/A 13.46 mm
12.4 X 2.18 B-70	N/A 118287	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.18 mm	N/A 70	N/A 12.40 mm
12.4 X 2.18 B-90	N/A 118288	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.18 mm	N/A 90	N/A 12.40 mm
194 X 2.18 B-70	N/A 118289	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.18 mm	N/A 70	N/A 194.00 mm
194 X 2.18 B-90	N/A 118290	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.18 mm	N/A 90	N/A 194.00 mm
6 X 2.2 B-70	N/A 118291	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 70	N/A 6.00 mm
6 X 2.2 B-90	N/A 118292	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 90	N/A 6.00 mm
9 X 2.2 B-70	N/A 118293	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 70	N/A 9.00 mm
9 X 2.2 B-90	N/A 118294	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 90	N/A 9.00 mm
10 X 2.2 B-70	N/A 118295	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 70	N/A 10.00 mm
10 X 2.2 B-90	N/A 118296	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 90	N/A 10.00 mm
12.4 X 2.2 B-70	N/A 118297	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 70	N/A 12.40 mm
12.4 X 2.2 B-90	N/A 118298	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 90	N/A 12.40 mm
18 X 2.2 B-70	N/A 118299	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 70	N/A 18.00 mm
18 X 2.2 B-90	N/A 118300	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.20 mm	N/A 90	N/A 18.00 mm
16.36 X 2.21 B-70	N/A 118301	N/A Metric Standard O-Ring	N/A Buna	N/A 906	N/A 2.21 mm	N/A 70	N/A 16.36 mm
16.36 X 2.21 B-90	N/A 118302	N/A Metric Standard O-Ring	N/A Buna	N/A 906	N/A 2.21 mm	N/A 90	N/A 16.36 mm
3.3x2.40B70	N/A 118303	N/A Metric Standard O-Ring	N/A Buna	N/A	N/A 2.40 mm	N/A 70	N/A 3.30 mm

N/A
118279

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 70

N/A 165.00 mm

165 X 2 B-90

N/A
118280

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 90

N/A 165.00 mm

180x2.00B70

N/A
118281

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 70

N/A 180.00 mm

180 X 2 B-90

N/A
118282

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 90

N/A 180.00 mm

194x2.00B70

N/A
118283

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 70

N/A 194.00 mm

194 X 2 B-90

N/A
118284

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.00 mm

N/A 90

N/A 194.00 mm

13.46 X 2.08 B-70

N/A
118285

N/A Metric Standard O-Ring

N/A Buna

N/A 907

N/A 2.08 mm

N/A 70

N/A 13.46 mm

13.46 X 2.08 B-90

N/A
118286

N/A Metric Standard O-Ring

N/A Buna

N/A 907

N/A 2.08 mm

N/A 90

N/A 13.46 mm

12.4 X 2.18 B-70

N/A
118287

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.18 mm

N/A 70

N/A 12.40 mm

12.4 X 2.18 B-90

N/A
118288

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.18 mm

N/A 90

N/A 12.40 mm

194 X 2.18 B-70

N/A
118289

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.18 mm

N/A 70

N/A 194.00 mm

194 X 2.18 B-90

N/A
118290

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.18 mm

N/A 90

N/A 194.00 mm

6 X 2.2 B-70

N/A
118291

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 70

N/A 6.00 mm

6 X 2.2 B-90

N/A
118292

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 90

N/A 6.00 mm

9 X 2.2 B-70

N/A
118293

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 70

N/A 9.00 mm

9 X 2.2 B-90

N/A
118294

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 90

N/A 9.00 mm

10 X 2.2 B-70

N/A
118295

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 70

N/A 10.00 mm

10 X 2.2 B-90

N/A
118296

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 90

N/A 10.00 mm

12.4 X 2.2 B-70

N/A
118297

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 70

N/A 12.40 mm

12.4 X 2.2 B-90

N/A
118298

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 90

N/A 12.40 mm

18 X 2.2 B-70

N/A
118299

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 70

N/A 18.00 mm

18 X 2.2 B-90

N/A
118300

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.20 mm

N/A 90

N/A 18.00 mm

16.36 X 2.21 B-70

N/A
118301

N/A Metric Standard O-Ring

N/A Buna

N/A 906

N/A 2.21 mm

N/A 70

N/A 16.36 mm

16.36 X 2.21 B-90

N/A
118302

N/A Metric Standard O-Ring

N/A Buna

N/A 906

N/A 2.21 mm

N/A 90

N/A 16.36 mm

3.3x2.40B70

N/A
118303

N/A Metric Standard O-Ring

N/A Buna

N/A

N/A 2.40 mm

N/A 70

N/A 3.30 mm