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 |
---|---|---|---|---|---|---|---|---|
BS830 B-90 |
IntegrationID
N/A 184268 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.937 in49.20 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -830 |
BS829 B-70 |
IntegrationID
N/A 184269 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.875 in47.63 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -829 |
BS829 B-90 |
IntegrationID
N/A 184270 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.875 in47.63 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -829 |
BS828 B-70 |
IntegrationID
N/A 184271 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.813 in46.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -828 |
BS828 B-90 |
IntegrationID
N/A 184272 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.813 in46.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -828 |
BS827 B-70 |
IntegrationID
N/A 184273 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.75 in44.45 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -827 |
BS827 B-90 |
IntegrationID
N/A 184274 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.75 in44.45 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -827 |
BS826 B-70 |
IntegrationID
N/A 184275 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.687 in42.85 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -826 |
BS826 B-90 |
IntegrationID
N/A 184276 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.687 in42.85 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -826 |
BS825 B-70 |
IntegrationID
N/A 184277 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.625 in41.28 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -825 |
BS825 B-90 |
IntegrationID
N/A 184278 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.625 in41.28 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -825 |
BS824 B-70 |
IntegrationID
N/A 184279 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.563 in39.70 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -824 |
BS824 B-90 |
IntegrationID
N/A 184280 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.563 in39.70 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -824 |
BS814 B-70 |
IntegrationID
N/A 184281 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.937 in23.80 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -814 |
BS814 B-90 |
IntegrationID
N/A 184282 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.937 in23.80 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -814 |
BS813 B-70 |
IntegrationID
N/A 184283 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.875 in22.23 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -813 |
BS813 B-90 |
IntegrationID
N/A 184284 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.875 in22.23 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -813 |
BS812 B-70 |
IntegrationID
N/A 184285 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.812 in20.62 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -812 |
BS812 B-90 |
IntegrationID
N/A 184286 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.812 in20.62 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -812 |
BS810 B-70 |
IntegrationID
N/A 184287 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.687 in17.45 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -810 |
BS810 B-90 |
IntegrationID
N/A 184288 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.687 in17.45 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -810 |
BS809 B-70 |
IntegrationID
N/A 184289 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.625 in15.88 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -809 |
BS809 B-90 |
IntegrationID
N/A 184290 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.625 in15.88 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -809 |
BS807 B-70 |
IntegrationID
N/A 184291 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.500 in12.70 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -807 |
BS807 B-90 |
IntegrationID
N/A 184292 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.500 in12.70 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -807 |
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