BS EP O-Rings | OneMonroe

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.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	BS Number	Product Guides
BS381 EP-70	N/A 183905	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 11.975 in304.17 mm	N/A 0.005 in0.13 mm	N/A -381	N/A Seal Guides
BS380 EP-70	N/A 183906	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 11.475 in291.47 mm	N/A 0.005 in0.13 mm	N/A -380	N/A Seal Guides
BS379 EP-70	N/A 183907	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 10.975 in278.77 mm	N/A 0.005 in0.13 mm	N/A -379	N/A Seal Guides
BS378 EP-70	N/A 183908	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 10.475 in266.07 mm	N/A 0.005 in0.13 mm	N/A -378	N/A Seal Guides
BS377 EP-70	N/A 183909	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 9.975 in253.37 mm	N/A 0.005 in0.13 mm	N/A -377	N/A Seal Guides
BS376 EP-70	N/A 183910	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 9.725 in247.02 mm	N/A 0.005 in0.13 mm	N/A -376	N/A Seal Guides
BS375 EP-70	N/A 183911	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 9.475 in240.67 mm	N/A 0.005 in0.13 mm	N/A -375	N/A Seal Guides
BS374 EP-70	N/A 183912	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 9.225 in234.32 mm	N/A 0.005 in0.13 mm	N/A -374	N/A Seal Guides
BS373 EP-70	N/A 183913	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 8.975 in227.97 mm	N/A 0.005 in0.13 mm	N/A -373	N/A Seal Guides
BS372 EP-70	N/A 183914	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 8.725 in221.62 mm	N/A 0.005 in0.13 mm	N/A -372	N/A Seal Guides
BS371 EP-70	N/A 183915	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 8.475 in215.27 mm	N/A 0.005 in0.13 mm	N/A -371	N/A Seal Guides
BS370 EP-70	N/A 183916	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 8.225 in208.92 mm	N/A 0.005 in0.13 mm	N/A -370	N/A Seal Guides
BS369 EP-70	N/A 183917	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 7.975 in202.57 mm	N/A 0.005 in0.13 mm	N/A -369	N/A Seal Guides
BS368 EP-70	N/A 183918	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 7.725 in196.22 mm	N/A 0.005 in0.13 mm	N/A -368	N/A Seal Guides
BS367 EP-70	N/A 183919	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 7.475 in189.87 mm	N/A 0.005 in0.13 mm	N/A -367	N/A Seal Guides
BS366 EP-70	N/A 183920	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 7.225 in183.52 mm	N/A 0.005 in0.13 mm	N/A -366	N/A Seal Guides
BS365 EP-70	N/A 183921	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 6.975 in177.17 mm	N/A 0.005 in0.13 mm	N/A -365	N/A Seal Guides
BS364 EP-70	N/A 183922	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 6.725 in170.82 mm	N/A 0.005 in0.13 mm	N/A -364	N/A Seal Guides
BS363 EP-70	N/A 183923	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 6.475 in164.47 mm	N/A 0.005 in0.13 mm	N/A -363	N/A Seal Guides
BS362 EP-70	N/A 183924	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 6.225 in158.12 mm	N/A 0.005 in0.13 mm	N/A -362	N/A Seal Guides
BS361 EP-70	N/A 183925	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 5.975 in151.77 mm	N/A 0.005 in0.13 mm	N/A -361	N/A Seal Guides
BS360 EP-70	N/A 183926	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 5.850 in148.59 mm	N/A 0.005 in0.13 mm	N/A -360	N/A Seal Guides
BS359 EP-70	N/A 183927	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 5.725 in145.42 mm	N/A 0.005 in0.13 mm	N/A -359	N/A Seal Guides
BS358 EP-70	N/A 183928	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 5.600 in142.24 mm	N/A 0.005 in0.13 mm	N/A -358	N/A Seal Guides
BS357 EP-70	N/A 183929	N/A BS Standard O-Ring	N/A EP	N/A 0.210 in5.33 mm	N/A 70	N/A 5.475 in139.07 mm	N/A 0.005 in0.13 mm	N/A -357	N/A Seal Guides

N/A
183905

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 11.975 in304.17 mm

N/A 0.005 in0.13 mm

N/A -381

N/A Seal Guides

BS380 EP-70

N/A
183906

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 11.475 in291.47 mm

N/A 0.005 in0.13 mm

N/A -380

N/A Seal Guides

BS379 EP-70

N/A
183907

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 10.975 in278.77 mm

N/A 0.005 in0.13 mm

N/A -379

N/A Seal Guides

BS378 EP-70

N/A
183908

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 10.475 in266.07 mm

N/A 0.005 in0.13 mm

N/A -378

N/A Seal Guides

BS377 EP-70

N/A
183909

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 9.975 in253.37 mm

N/A 0.005 in0.13 mm

N/A -377

N/A Seal Guides

BS376 EP-70

N/A
183910

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 9.725 in247.02 mm

N/A 0.005 in0.13 mm

N/A -376

N/A Seal Guides

BS375 EP-70

N/A
183911

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 9.475 in240.67 mm

N/A 0.005 in0.13 mm

N/A -375

N/A Seal Guides

BS374 EP-70

N/A
183912

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 9.225 in234.32 mm

N/A 0.005 in0.13 mm

N/A -374

N/A Seal Guides

BS373 EP-70

N/A
183913

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 8.975 in227.97 mm

N/A 0.005 in0.13 mm

N/A -373

N/A Seal Guides

BS372 EP-70

N/A
183914

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 8.725 in221.62 mm

N/A 0.005 in0.13 mm

N/A -372

N/A Seal Guides

BS371 EP-70

N/A
183915

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 8.475 in215.27 mm

N/A 0.005 in0.13 mm

N/A -371

N/A Seal Guides

BS370 EP-70

N/A
183916

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 8.225 in208.92 mm

N/A 0.005 in0.13 mm

N/A -370

N/A Seal Guides

BS369 EP-70

N/A
183917

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 7.975 in202.57 mm

N/A 0.005 in0.13 mm

N/A -369

N/A Seal Guides

BS368 EP-70

N/A
183918

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 7.725 in196.22 mm

N/A 0.005 in0.13 mm

N/A -368

N/A Seal Guides

BS367 EP-70

N/A
183919

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 7.475 in189.87 mm

N/A 0.005 in0.13 mm

N/A -367

N/A Seal Guides

BS366 EP-70

N/A
183920

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 7.225 in183.52 mm

N/A 0.005 in0.13 mm

N/A -366

N/A Seal Guides

BS365 EP-70

N/A
183921

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 6.975 in177.17 mm

N/A 0.005 in0.13 mm

N/A -365

N/A Seal Guides

BS364 EP-70

N/A
183922

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 6.725 in170.82 mm

N/A 0.005 in0.13 mm

N/A -364

N/A Seal Guides

BS363 EP-70

N/A
183923

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 6.475 in164.47 mm

N/A 0.005 in0.13 mm

N/A -363

N/A Seal Guides

BS362 EP-70

N/A
183924

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 6.225 in158.12 mm

N/A 0.005 in0.13 mm

N/A -362

N/A Seal Guides

BS361 EP-70

N/A
183925

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 5.975 in151.77 mm

N/A 0.005 in0.13 mm

N/A -361

N/A Seal Guides

BS360 EP-70

N/A
183926

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 5.850 in148.59 mm

N/A 0.005 in0.13 mm

N/A -360

N/A Seal Guides

BS359 EP-70

N/A
183927

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 5.725 in145.42 mm

N/A 0.005 in0.13 mm

N/A -359

N/A Seal Guides

BS358 EP-70

N/A
183928

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 5.600 in142.24 mm

N/A 0.005 in0.13 mm

N/A -358

N/A Seal Guides

BS357 EP-70

N/A
183929

N/A BS Standard O-Ring

N/A EP

N/A 0.210 in5.33 mm

N/A 70

N/A 5.475 in139.07 mm

N/A 0.005 in0.13 mm

N/A -357

N/A Seal Guides