OneMonroe BUNA O-Rings are engineered to provide dependable sealing solutions for a wide range of industrial applications. Crafted from high-quality BUNA-N material, also known as Nitrile, these O-rings deliver exceptional resistance to oils, fuels, and various chemicals, making them a top choice for machinery, automotive, and hydraulic systems. Their robust design ensures a reliable seal in both low and high-pressure environments, protecting against leaks, contamination, and wear. Each O-ring is manufactured to precise industry standards, offering a secure fit and lasting performance that businesses can depend on in even the most demanding conditions.
Our selection of BUNA O-rings includes an extensive variety of sizes and specifications, designed to suit a wide array of sealing needs. From small to large diameters, OneMonroe provides O-rings that can be used across multiple industries, including aerospace, manufacturing, and construction. These O-rings are versatile, supporting applications that require excellent abrasion resistance and the ability to perform reliably in temperatures ranging from -40°F to 212°F. OneMonroe BUNA O-Rings are known for their compatibility with petroleum-based fluids and are often the go-to choice for applications involving oil and gas, where durability and flexibility are essential.
OneMonroe is dedicated to delivering high-quality, cost-effective solutions that meet the unique needs of its customers. Our BUNA O-rings undergo rigorous testing and quality control to ensure each product meets strict performance standards. Whether you’re in need of O-rings for maintenance, repair, or original equipment manufacturing, OneMonroe's BUNA O-rings provide a dependable, long-lasting solution. With a commitment to exceptional customer service, Monroe ensures you have access to the precise sealing products you need to keep your operations running smoothly.
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 Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
---|---|---|---|---|---|---|---|---|
BS369 B-90 |
IntegrationID
N/A 184568 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 7.975 in202.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -369 |
BS368 B-70 |
IntegrationID
N/A 184569 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -368 |
BS368 B-90 |
IntegrationID
N/A 184570 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -368 |
BS367 B-70 |
IntegrationID
N/A 184571 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -367 |
BS367 B-90 |
IntegrationID
N/A 184572 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -367 |
BS366 B-70 |
IntegrationID
N/A 184573 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -366 |
BS366 B-90 |
IntegrationID
N/A 184574 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -366 |
BS365 B-70 |
IntegrationID
N/A 184575 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -365 |
BS365 B-90 |
IntegrationID
N/A 184576 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -365 |
BS364 B-70 |
IntegrationID
N/A 184577 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -364 |
BS364 B-90 |
IntegrationID
N/A 184578 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -364 |
BS363 B-70 |
IntegrationID
N/A 184579 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.475 in164.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -363 |
BS363 B-90 |
IntegrationID
N/A 184580 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 6.475 in164.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -363 |
BS362 B-70 |
IntegrationID
N/A 184581 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.225 in158.12 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -362 |
BS362 B-90 |
IntegrationID
N/A 184582 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 6.225 in158.12 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -362 |
BS361 B-70 |
IntegrationID
N/A 184583 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.975 in151.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -361 |
BS361 B-90 |
IntegrationID
N/A 184584 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.975 in151.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -361 |
BS360 B-70 |
IntegrationID
N/A 184585 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.850 in148.59 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -360 |
BS360 B-90 |
IntegrationID
N/A 184586 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.850 in148.59 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -360 |
BS359 B-70 |
IntegrationID
N/A 184587 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.725 in145.42 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -359 |
BS359 B-90 |
IntegrationID
N/A 184588 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.725 in145.42 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -359 |
BS358 B-70 |
IntegrationID
N/A 184589 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.600 in142.24 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -358 |
BS358 B-90 |
IntegrationID
N/A 184590 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.600 in142.24 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -358 |
BS357 B-70 |
IntegrationID
N/A 184591 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.475 in139.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -357 |
BS357 B-90 |
IntegrationID
N/A 184592 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.475 in139.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -357 |
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