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.
Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
---|---|---|---|---|---|---|---|---|
BS435 EP-70 |
IntegrationID
N/A 183880 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.725 in145.42 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -435 |
BS434 EP-70 |
IntegrationID
N/A 183881 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.600 in142.24 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -434 |
BS433 EP-70 |
IntegrationID
N/A 183882 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.475 in139.07 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -433 |
BS432 EP-70 |
IntegrationID
N/A 183883 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.350 in135.89 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -432 |
BS431 EP-70 |
IntegrationID
N/A 183884 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.225 in132.72 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -431 |
BS430 EP-70 |
IntegrationID
N/A 183885 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.100 in129.54 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -430 |
BS429 EP-70 |
IntegrationID
N/A 183886 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.975 in126.37 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -429 |
BS428 EP-70 |
IntegrationID
N/A 183887 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.850 in123.19 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -428 |
BS427 EP-70 |
IntegrationID
N/A 183888 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.725 in120.02 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -427 |
BS426 EP-70 |
IntegrationID
N/A 183889 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.600 in116.84 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -426 |
BS425 EP-70 |
IntegrationID
N/A 183890 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.475 in113.67 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -425 |
BS395 EP-70 |
IntegrationID
N/A 183891 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 25.940 in658.88 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -395 |
BS394 EP-70 |
IntegrationID
N/A 183892 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 24.940 in633.48 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -394 |
BS393 EP-70 |
IntegrationID
N/A 183893 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 23.940 in608.08 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -393 |
BS392 EP-70 |
IntegrationID
N/A 183894 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 22.940 in582.68 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -392 |
BS391 EP-70 |
IntegrationID
N/A 183895 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 21.955 in557.66 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -391 |
BS390 EP-70 |
IntegrationID
N/A 183896 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 20.955 in532.26 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -390 |
BS389 EP-70 |
IntegrationID
N/A 183897 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 19.955 in506.86 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -389 |
BS388 EP-70 |
IntegrationID
N/A 183898 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 18.955 in481.46 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -388 |
BS387 EP-70 |
IntegrationID
N/A 183899 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 17.955 in456.06 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -387 |
BS386 EP-70 |
IntegrationID
N/A 183900 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 16.955 in430.66 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -386 |
BS385 EP-70 |
IntegrationID
N/A 183901 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 15.955 in405.26 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -385 |
BS384 EP-70 |
IntegrationID
N/A 183902 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 14.975 in380.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -384 |
BS383 EP-70 |
IntegrationID
N/A 183903 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 13.975 in354.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -383 |
BS382 EP-70 |
IntegrationID
N/A 183904 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 12.975 in329.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -382 |