• Metric 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.

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Product Guides

N/A
121624 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 178.00 mm N/A Seal Guides
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121625 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 179.00 mm N/A Seal Guides
N/A
121626 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 179.00 mm N/A Seal Guides
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121627 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 180.00 mm N/A Seal Guides
N/A
121628 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 180.00 mm N/A Seal Guides
N/A
121629 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 181.00 mm N/A Seal Guides
N/A
121630 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 181.00 mm N/A Seal Guides
N/A
121631 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 182.00 mm N/A Seal Guides
N/A
121632 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 182.00 mm N/A Seal Guides
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121633 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 183.00 mm N/A Seal Guides
N/A
121634 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 183.00 mm N/A Seal Guides
N/A
121635 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 184.00 mm N/A Seal Guides
N/A
121636 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 184.00 mm N/A Seal Guides
N/A
121637 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 185.00 mm N/A Seal Guides
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121638 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 185.00 mm N/A Seal Guides
N/A
121639 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 186.00 mm N/A Seal Guides
N/A
121640 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 186.00 mm N/A Seal Guides
N/A
121641 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 187.00 mm N/A Seal Guides
N/A
121642 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 187.00 mm N/A Seal Guides
N/A
121643 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 188.00 mm N/A Seal Guides
N/A
121644 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 188.00 mm N/A Seal Guides
N/A
121645 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 189.00 mm N/A Seal Guides
N/A
121646 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 189.00 mm N/A Seal Guides
N/A
121647 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 70 N/A 190.00 mm N/A Seal Guides
N/A
121648 		N/A Metric Standard O-Ring N/A Buna N/A N/A 4.00 mm N/A 90 N/A 190.00 mm N/A Seal Guides
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