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 |
---|---|---|---|---|---|---|---|---|
BS619 B-70 |
IntegrationID
N/A 184343 |
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 2.938 in74.61 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -619 |
BS619 B-90 |
IntegrationID
N/A 184344 |
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 2.938 in74.61 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -619 |
BS618 B-70 |
IntegrationID
N/A 184345 |
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 1.016 in25.81 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -618 |
BS618 B-90 |
IntegrationID
N/A 184346 |
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 1.016 in25.81 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -618 |
BS617 B-70 |
IntegrationID
N/A 184347 |
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 0.703 in17.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -617 |
BS617 B-90 |
IntegrationID
N/A 184348 |
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 0.703 in17.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -617 |
BS616 B-70 |
IntegrationID
N/A 184349 |
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 0.594 in15.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -616 |
BS616 B-90 |
IntegrationID
N/A 184350 |
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 0.594 in15.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -616 |
BS615 B-70 |
IntegrationID
N/A 184351 |
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 0.516 in13.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -615 |
BS615 B-90 |
IntegrationID
N/A 184352 |
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 0.516 in13.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -615 |
BS614 B-70 |
IntegrationID
N/A 184353 |
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 0.469 in11.91 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -614 |
BS614 B-90 |
IntegrationID
N/A 184354 |
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 0.469 in11.91 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -614 |
BS613 B-70 |
IntegrationID
N/A 184355 |
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 0.391 in9.93 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -613 |
BS613 B-90 |
IntegrationID
N/A 184356 |
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 0.391 in9.93 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -613 |
BS611 B-70 |
IntegrationID
N/A 184357 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 0.344 in8.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -611 |
BS611 B-90 |
IntegrationID
N/A 184358 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 0.344 in8.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -611 |
BS610 B-70 |
IntegrationID
N/A 184359 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 0.266 in6.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -610 |
BS610 B-90 |
IntegrationID
N/A 184360 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 0.266 in6.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -610 |
BS607 B-70 |
IntegrationID
N/A 184361 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.040 in1.02 mm | Durometer N/A 70 | Inside Diameter N/A 0.100 in2.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -607 |
BS607 B-90 |
IntegrationID
N/A 184362 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.040 in1.02 mm | Durometer N/A 90 | Inside Diameter N/A 0.100 in2.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -607 |
BS606 B-70 |
IntegrationID
N/A 184363 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.040 in1.02 mm | Durometer N/A 70 | Inside Diameter N/A 0.070 in1.78 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -606 |
BS606 B-90 |
IntegrationID
N/A 184364 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.040 in1.02 mm | Durometer N/A 90 | Inside Diameter N/A 0.070 in1.78 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -606 |
BS562 B-70 |
IntegrationID
N/A 184365 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.845 in173.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -562 |
BS562 B-90 |
IntegrationID
N/A 184366 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.845 in173.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -562 |
BS561 B-70 |
IntegrationID
N/A 184367 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.72 in170.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -561 |
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