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
BS120 B-90 N/A
184968 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.987 in25.07 mm N/A 0.003 in0.08 mm N/A -120
BS119 B-70 N/A
184969 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.924 in23.47 mm N/A 0.003 in0.08 mm N/A -119
BS119 B-90 N/A
184970 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.924 in23.47 mm N/A 0.003 in0.08 mm N/A -119
BS118 B-70 N/A
184971 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.862 in21.89 mm N/A 0.003 in0.08 mm N/A -118
BS118 B-90 N/A
184972 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.862 in21.89 mm N/A 0.003 in0.08 mm N/A -118
BS117 B-70 N/A
184973 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.799 in20.29 mm N/A 0.003 in0.08 mm N/A -117
BS117 B-90 N/A
184974 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.799 in20.29 mm N/A 0.003 in0.08 mm N/A -117
BS116 B-70 N/A
184975 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.737 in18.72 mm N/A 0.003 in0.08 mm N/A -116
BS116 B-90 N/A
184976 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.737 in18.72 mm N/A 0.003 in0.08 mm N/A -116
BS115 B-70 N/A
184977 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.674 in17.12 mm N/A 0.003 in0.08 mm N/A -115
BS115 B-90 N/A
184978 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.674 in17.12 mm N/A 0.003 in0.08 mm N/A -115
BS114 B-70 N/A
184979 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.612 in15.54 mm N/A 0.003 in0.08 mm N/A -114
BS114 B-90 N/A
184980 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.612 in15.54 mm N/A 0.003 in0.08 mm N/A -114
BS113 B-70 N/A
184981 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.549 in13.94 mm N/A 0.003 in0.08 mm N/A -113
BS113 B-90 N/A
184982 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.549 in13.94 mm N/A 0.003 in0.08 mm N/A -113
BS112 B-70 N/A
184983 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.487 in12.37 mm N/A 0.003 in0.08 mm N/A -112
BS112 B-90 N/A
184984 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.487 in12.37 mm N/A 0.003 in0.08 mm N/A -112
BS111 B-70 N/A
184985 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.424 in10.77 mm N/A 0.003 in0.08 mm N/A -111
BS111 B-90 N/A
184986 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.424 in10.77 mm N/A 0.003 in0.08 mm N/A -111
BS110 B-70 N/A
184987 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.362 in9.19 mm N/A 0.003 in0.08 mm N/A -110
BS110 B-90 N/A
184988 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.362 in9.19 mm N/A 0.003 in0.08 mm N/A -110
BS109 B-70 N/A
184989 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.299 in7.59 mm N/A 0.003 in0.08 mm N/A -109
BS109 B-90 N/A
184990 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.299 in7.59 mm N/A 0.003 in0.08 mm N/A -109
BS108 B-70 N/A
184991 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 70 N/A 0.237 in6.02 mm N/A 0.003 in0.08 mm N/A -108
BS108 B-90 N/A
184992 		N/A BS Standard O-Ring N/A Buna N/A 0.103 in2.62 mm N/A 90 N/A 0.237 in6.02 mm N/A 0.003 in0.08 mm N/A -108
Unit of Measure
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