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.
Cross Section Width (in)
Cross Section Width (mm)
Durometer
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
---|---|---|---|---|---|---|---|---|
BS170 B-90 |
IntegrationID
N/A 184868 |
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 7.737 in196.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -170 |
BS169 B-70 |
IntegrationID
N/A 184869 |
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 7.487 in190.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -169 |
BS169 B-90 |
IntegrationID
N/A 184870 |
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 7.487 in190.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -169 |
BS168 B-70 |
IntegrationID
N/A 184871 |
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 7.237 in183.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -168 |
BS168 B-90 |
IntegrationID
N/A 184872 |
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 7.237 in183.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -168 |
BS167 B-70 |
IntegrationID
N/A 184873 |
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 6.987 in177.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -167 |
BS167 B-90 |
IntegrationID
N/A 184874 |
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 6.987 in177.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -167 |
BS166 B-70 |
IntegrationID
N/A 184875 |
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 6.737 in171.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -166 |
BS166 B-90 |
IntegrationID
N/A 184876 |
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 6.737 in171.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -166 |
BS165 B-70 |
IntegrationID
N/A 184877 |
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 6.487 in164.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -165 |
BS165 B-90 |
IntegrationID
N/A 184878 |
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 6.487 in164.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -165 |
BS164 B-70 |
IntegrationID
N/A 184879 |
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 6.237 in158.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -164 |
BS164 B-90 |
IntegrationID
N/A 184880 |
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 6.237 in158.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -164 |
BS163 B-70 |
IntegrationID
N/A 184881 |
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 5.987 in152.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -163 |
BS163 B-90 |
IntegrationID
N/A 184882 |
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 5.987 in152.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -163 |
BS162 B-70 |
IntegrationID
N/A 184883 |
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 5.737 in145.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -162 |
BS162 B-90 |
IntegrationID
N/A 184884 |
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 5.737 in145.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -162 |
BS161 B-70 |
IntegrationID
N/A 184885 |
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 5.487 in139.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -161 |
BS161 B-90 |
IntegrationID
N/A 184886 |
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 5.487 in139.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -161 |
BS160 B-70 |
IntegrationID
N/A 184887 |
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 5.237 in133.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -160 |
BS160 B-90 |
IntegrationID
N/A 184888 |
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 5.237 in133.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -160 |
BS159 B-70 |
IntegrationID
N/A 184889 |
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 4.987 in126.67 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -159 |
BS159 B-90 |
IntegrationID
N/A 184890 |
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 4.987 in126.67 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -159 |
BS158 B-70 |
IntegrationID
N/A 184891 |
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 4.737 in120.32 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -158 |
BS158 B-90 |
IntegrationID
N/A 184892 |
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 4.737 in120.32 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -158 |