Monroe
OneMonroe
Locations Throughout the Country
ISO 9001:2015
Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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OneMonroe EP O-Rings are engineered to provide exceptional sealing performance across a variety of demanding environments. These O-rings are crafted from high-quality materials to ensure a long-lasting, tight seal, essential for applications where durability and reliability are paramount. The EP (Ethylene Propylene) construction offers excellent resistance to water, heat, steam, and various chemicals, making these O-rings an ideal choice for both industrial and automotive applications. With a commitment to quality, OneMonroe ensures that every O-ring meets rigorous standards, providing users with peace of mind for critical operations where failure is not an option.

OneMonroe offers a broad selection of BS standard EP O-rings, each designed to meet specific sizing and compatibility needs. These O-rings are manufactured to precision, ensuring a snug and consistent fit that minimizes wear and tear on connected components. Our EP O-rings also boast an impressive operational temperature range, allowing them to maintain elasticity and performance in both high-heat and low-temperature settings. Whether you’re dealing with hydraulic systems, piping, or complex machinery, OneMonroe’s EP O-rings are built to withstand harsh conditions while delivering a reliable seal to prevent leaks and maintain system integrity.

When you choose OneMonroe EP O-rings, you’re selecting a product backed by decades of expertise in the sealing industry. Each O-ring is meticulously crafted to provide maximum durability and resistance to environmental factors that can lead to premature wear. Our commitment to quality and performance has established OneMonroe as a trusted name in industrial solutions. From design to delivery, OneMonroe ensures that every O-ring performs as intended, providing the ultimate sealing solution for even the most challenging applications. Choose OneMonroe EP O-rings for your next project and experience unmatched quality, reliability, and performance.

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

Product Guides

Quantity
BS356 EP-70 N/A
183930 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.350 in135.89 mm N/A 0.005 in0.13 mm N/A -356 N/A Seal Guides
BS355 EP-70 N/A
183931 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.225 in132.72 mm N/A 0.005 in0.13 mm N/A -355 N/A Seal Guides
BS354 EP-70 N/A
183932 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.100 in129.54 mm N/A 0.005 in0.13 mm N/A -354 N/A Seal Guides
BS353 EP-70 N/A
183933 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.975 in126.37 mm N/A 0.005 in0.13 mm N/A -353 N/A Seal Guides
BS352 EP-70 N/A
183934 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.850 in123.19 mm N/A 0.005 in0.13 mm N/A -352 N/A Seal Guides
BS351 EP-70 N/A
183935 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.725 in120.02 mm N/A 0.005 in0.13 mm N/A -351 N/A Seal Guides
BS350 EP-70 N/A
183936 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.600 in116.84 mm N/A 0.005 in0.13 mm N/A -350 N/A Seal Guides
BS349 EP-70 N/A
183937 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.475 in113.67 mm N/A 0.005 in0.13 mm N/A -349 N/A Seal Guides
BS348 EP-70 N/A
183938 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.350 in110.49 mm N/A 0.005 in0.13 mm N/A -348 N/A Seal Guides
BS347 EP-70 N/A
183939 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.225 in107.32 mm N/A 0.005 in0.13 mm N/A -347 N/A Seal Guides
BS346 EP-70 N/A
183940 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 4.100 in104.14 mm N/A 0.005 in0.13 mm N/A -346 N/A Seal Guides
BS345 EP-70 N/A
183941 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.975 in100.97 mm N/A 0.005 in0.13 mm N/A -345 N/A Seal Guides
BS344 EP-70 N/A
183942 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.850 in97.79 mm N/A 0.005 in0.13 mm N/A -344 N/A Seal Guides
BS343 EP-70 N/A
183943 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.725 in94.62 mm N/A 0.005 in0.13 mm N/A -343 N/A Seal Guides
BS342 EP-70 N/A
183944 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.600 in91.44 mm N/A 0.005 in0.13 mm N/A -342 N/A Seal Guides
BS341 EP-70 N/A
183945 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.475 in88.27 mm N/A 0.005 in0.13 mm N/A -341 N/A Seal Guides
BS340 EP-70 N/A
183946 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.350 in85.09 mm N/A 0.005 in0.13 mm N/A -340 N/A Seal Guides
BS339 EP-70 N/A
183947 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.225 in81.92 mm N/A 0.005 in0.13 mm N/A -339 N/A Seal Guides
BS338 EP-70 N/A
183948 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 3.100 in78.74 mm N/A 0.005 in0.13 mm N/A -338 N/A Seal Guides
BS337 EP-70 N/A
183949 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.975 in75.57 mm N/A 0.005 in0.13 mm N/A -337 N/A Seal Guides
BS336 EP-70 N/A
183950 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.850 in72.39 mm N/A 0.005 in0.13 mm N/A -336 N/A Seal Guides
BS335 EP-70 N/A
183951 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.725 in69.22 mm N/A 0.005 in0.13 mm N/A -335 N/A Seal Guides
BS334 EP-70 N/A
183952 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.600 in66.04 mm N/A 0.005 in0.13 mm N/A -334 N/A Seal Guides
BS333 EP-70 N/A
183953 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.475 in62.87 mm N/A 0.005 in0.13 mm N/A -333 N/A Seal Guides
BS332 EP-70 N/A
183954 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 2.350 in59.69 mm N/A 0.005 in0.13 mm N/A -332 N/A Seal Guides
Unit of Measure
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