• 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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Cross Section Width (mm)

Durometer

Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

N/A
117671 		N/A Metric Standard O-Ring N/A Buna N/A 15 N/A 1.78 mm N/A 70 N/A 14.00 mm
N/A
117672 		N/A Metric Standard O-Ring N/A Buna N/A 15 N/A 1.78 mm N/A 90 N/A 14.00 mm
N/A
117673 		N/A Metric Standard O-Ring N/A Buna N/A 16 N/A 1.78 mm N/A 70 N/A 15.60 mm
N/A
117674 		N/A Metric Standard O-Ring N/A Buna N/A 16 N/A 1.78 mm N/A 90 N/A 15.60 mm
N/A
117675 		N/A Metric Standard O-Ring N/A Buna N/A 17 N/A 1.78 mm N/A 70 N/A 17.17 mm
N/A
117676 		N/A Metric Standard O-Ring N/A Buna N/A 17 N/A 1.78 mm N/A 90 N/A 17.17 mm
N/A
117677 		N/A Metric Standard O-Ring N/A Buna N/A 18 N/A 1.78 mm N/A 70 N/A 18.77 mm
N/A
117678 		N/A Metric Standard O-Ring N/A Buna N/A 18 N/A 1.78 mm N/A 90 N/A 18.77 mm
N/A
117679 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 70 N/A 19.05 mm
N/A
117680 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 90 N/A 19.05 mm
N/A
117681 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 70 N/A 19.15 mm
N/A
117682 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 90 N/A 19.15 mm
N/A
117683 		N/A Metric Standard O-Ring N/A Buna N/A 19 N/A 1.78 mm N/A 70 N/A 20.35 mm
N/A
117684 		N/A Metric Standard O-Ring N/A Buna N/A 19 N/A 1.78 mm N/A 90 N/A 20.35 mm
N/A
117685 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 70 N/A 21.47 mm
N/A
117686 		N/A Metric Standard O-Ring N/A Buna N/A N/A 1.78 mm N/A 90 N/A 21.47 mm
N/A
117687 		N/A Metric Standard O-Ring N/A Buna N/A 20 N/A 1.78 mm N/A 70 N/A 21.95 mm
N/A
117688 		N/A Metric Standard O-Ring N/A Buna N/A 20 N/A 1.78 mm N/A 90 N/A 21.95 mm
N/A
117689 		N/A Metric Standard O-Ring N/A Buna N/A 21 N/A 1.78 mm N/A 70 N/A 23.52 mm
N/A
117690 		N/A Metric Standard O-Ring N/A Buna N/A 21 N/A 1.78 mm N/A 90 N/A 23.52 mm
N/A
117691 		N/A Metric Standard O-Ring N/A Buna N/A 22 N/A 1.78 mm N/A 70 N/A 25.12 mm
N/A
117692 		N/A Metric Standard O-Ring N/A Buna N/A 22 N/A 1.78 mm N/A 90 N/A 25.12 mm
N/A
117693 		N/A Metric Standard O-Ring N/A Buna N/A 23 N/A 1.78 mm N/A 70 N/A 26.70 mm
N/A
117694 		N/A Metric Standard O-Ring N/A Buna N/A 23 N/A 1.78 mm N/A 90 N/A 26.70 mm
N/A
117695 		N/A Metric Standard O-Ring N/A Buna N/A 24 N/A 1.78 mm N/A 70 N/A 28.30 mm
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