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 |
---|---|---|---|---|---|---|---|---|
BS132 B-70 |
IntegrationID
N/A 184943 |
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 1.737 in44.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -132 |
BS132 B-90 |
IntegrationID
N/A 184944 |
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 1.737 in44.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -132 |
BS131 B-70 |
IntegrationID
N/A 184945 |
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 1.674 in42.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -131 |
BS131 B-90 |
IntegrationID
N/A 184946 |
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 1.674 in42.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -131 |
BS130 B-70 |
IntegrationID
N/A 184947 |
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 1.612 in40.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -130 |
BS130 B-90 |
IntegrationID
N/A 184948 |
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 1.612 in40.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -130 |
BS129 B-70 |
IntegrationID
N/A 184949 |
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 1.549 in39.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -129 |
BS129 B-90 |
IntegrationID
N/A 184950 |
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 1.549 in39.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -129 |
BS128 B-70 |
IntegrationID
N/A 184951 |
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 1.487 in37.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -128 |
BS128 B-90 |
IntegrationID
N/A 184952 |
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 1.487 in37.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -128 |
BS127 B-70 |
IntegrationID
N/A 184953 |
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 1.424 in36.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -127 |
BS127 B-90 |
IntegrationID
N/A 184954 |
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 1.424 in36.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -127 |
BS126 B-70 |
IntegrationID
N/A 184955 |
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 1.362 in34.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -126 |
BS126 B-90 |
IntegrationID
N/A 184956 |
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 1.362 in34.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -126 |
BS125 B-70 |
IntegrationID
N/A 184957 |
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 1.299 in32.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -125 |
BS125 B-90 |
IntegrationID
N/A 184958 |
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 1.299 in32.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -125 |
BS124 B-70 |
IntegrationID
N/A 184959 |
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 1.237 in31.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -124 |
BS124 B-90 |
IntegrationID
N/A 184960 |
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 1.237 in31.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -124 |
BS123 B-70 |
IntegrationID
N/A 184961 |
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 1.174 in29.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -123 |
BS123 B-90 |
IntegrationID
N/A 184962 |
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 1.174 in29.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -123 |
BS122 B-70 |
IntegrationID
N/A 184963 |
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 1.112 in28.24 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -122 |
BS122 B-90 |
IntegrationID
N/A 184964 |
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 1.112 in28.24 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -122 |
BS121 B-70 |
IntegrationID
N/A 184965 |
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 1.049 in26.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -121 |
BS121 B-90 |
IntegrationID
N/A 184966 |
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 1.049 in26.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -121 |
BS120 B-70 |
IntegrationID
N/A 184967 |
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 0.987 in25.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -120 |