Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS170 B-90 N/A
184868 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 7.737 in196.52 mm N/A 0.003 in0.08 mm N/A -170
BS169 B-70 N/A
184869 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169
BS169 B-90 N/A
184870 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169
BS168 B-70 N/A
184871 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168
BS168 B-90 N/A
184872 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168
BS167 B-70 N/A
184873 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167
BS167 B-90 N/A
184874 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167
BS166 B-70 N/A
184875 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166
BS166 B-90 N/A
184876 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166
BS165 B-70 N/A
184877 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 6.487 in164.77 mm N/A 0.003 in0.08 mm N/A -165
BS165 B-90 N/A
184878 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 6.487 in164.77 mm N/A 0.003 in0.08 mm N/A -165
BS164 B-70 N/A
184879 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 6.237 in158.42 mm N/A 0.003 in0.08 mm N/A -164
BS164 B-90 N/A
184880 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 6.237 in158.42 mm N/A 0.003 in0.08 mm N/A -164
BS163 B-70 N/A
184881 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 5.987 in152.07 mm N/A 0.003 in0.08 mm N/A -163
BS163 B-90 N/A
184882 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 5.987 in152.07 mm N/A 0.003 in0.08 mm N/A -163
BS162 B-70 N/A
184883 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 5.737 in145.72 mm N/A 0.003 in0.08 mm N/A -162
BS162 B-90 N/A
184884 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 5.737 in145.72 mm N/A 0.003 in0.08 mm N/A -162
BS161 B-70 N/A
184885 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 5.487 in139.37 mm N/A 0.003 in0.08 mm N/A -161
BS161 B-90 N/A
184886 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 5.487 in139.37 mm N/A 0.003 in0.08 mm N/A -161
BS160 B-70 N/A
184887 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 5.237 in133.02 mm N/A 0.003 in0.08 mm N/A -160
BS160 B-90 N/A
184888 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 5.237 in133.02 mm N/A 0.003 in0.08 mm N/A -160
BS159 B-70 N/A
184889 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 4.987 in126.67 mm N/A 0.003 in0.08 mm N/A -159
BS159 B-90 N/A
184890 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 4.987 in126.67 mm N/A 0.003 in0.08 mm N/A -159
BS158 B-70 N/A
184891 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 4.737 in120.32 mm N/A 0.003 in0.08 mm N/A -158
BS158 B-90 N/A
184892 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 4.737 in120.32 mm N/A 0.003 in0.08 mm N/A -158
Unit of Measure
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