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.

Unit of Measure
Items
Metric O-Rings

Metric Buna O-Rings

Metric O-Rings

Metric Buna O-Rings

Metric O-Rings

Metric Buna O-Rings

Metric O-Rings

Metric Buna O-Rings

Metric O-Rings

Metric Buna O-Rings
Type N/A Metric Standard O-Ring
Material
N/A Buna
Cross Reference N/A
Cross Section Width
N/A 0.70 mm N/A 0.70 mm N/A 0.80 mm N/A 0.80 mm N/A 0.81 mm
Durometer
N/A 70 N/A 90 N/A 70 N/A 90 N/A 70
Inside Diameter
N/A 1.80 mm N/A 1.80 mm N/A 22.80 mm N/A 22.80 mm N/A 5.36 mm
O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.