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 |
---|---|---|---|---|---|---|---|---|
BS473 B-90 |
IntegrationID
N/A 184418 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 23.940 in608.08 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -473 |
BS472 B-70 |
IntegrationID
N/A 184419 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 22.940 in582.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -472 |
BS472 B-90 |
IntegrationID
N/A 184420 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 22.940 in582.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -472 |
BS471 B-70 |
IntegrationID
N/A 184421 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 21.955 in557.66 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -471 |
BS471 B-90 |
IntegrationID
N/A 184422 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 21.955 in557.66 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -471 |
BS470 B-70 |
IntegrationID
N/A 184423 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 20.955 in532.26 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -470 |
BS470 B-90 |
IntegrationID
N/A 184424 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 20.955 in532.26 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -470 |
BS469 B-70 |
IntegrationID
N/A 184425 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 19.955 in506.86 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -469 |
BS469 B-90 |
IntegrationID
N/A 184426 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 19.955 in506.86 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -469 |
BS468 B-70 |
IntegrationID
N/A 184427 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 19.455 in494.16 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -468 |
BS468 B-90 |
IntegrationID
N/A 184428 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 19.455 in494.16 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -468 |
BS467 B-70 |
IntegrationID
N/A 184429 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 18.955 in481.46 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -467 |
BS467 B-90 |
IntegrationID
N/A 184430 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 18.955 in481.46 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -467 |
BS466 B-70 |
IntegrationID
N/A 184431 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 18.455 in468.76 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -466 |
BS466 B-90 |
IntegrationID
N/A 184432 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 18.455 in468.76 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -466 |
BS465 B-70 |
IntegrationID
N/A 184433 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 17.955 in456.06 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -465 |
BS465 B-90 |
IntegrationID
N/A 184434 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 17.955 in456.06 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -465 |
BS464 B-70 |
IntegrationID
N/A 184435 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 17.455 in443.36 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -464 |
BS464 B-90 |
IntegrationID
N/A 184436 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 17.455 in443.36 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -464 |
BS463 B-70 |
IntegrationID
N/A 184437 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 16.9551 in430.66 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -463 |
BS463 B-90 |
IntegrationID
N/A 184438 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 16.9551 in430.66 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -463 |
BS462 B-70 |
IntegrationID
N/A 184439 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 16.455 in417.96 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -462 |
BS462 B-90 |
IntegrationID
N/A 184440 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 16.455 in417.96 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -462 |
BS461 B-70 |
IntegrationID
N/A 184441 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 15.9551 in405.26 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -461 |
BS461 B-90 |
IntegrationID
N/A 184442 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 15.9551 in405.26 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -461 |
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