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 |
---|---|---|---|---|---|---|---|---|
BS331 EP-70 |
IntegrationID
N/A 183955 |
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 2.225 in56.52 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -331 |
BS330 EP-70 |
IntegrationID
N/A 183956 |
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 2.100 in53.34 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -330 |
BS329 EP-70 |
IntegrationID
N/A 183957 |
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 1.975 in50.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -329 |
BS328 EP-70 |
IntegrationID
N/A 183958 |
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 1.850 in46.99 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -328 |
BS327 EP-70 |
IntegrationID
N/A 183959 |
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 1.725 in43.82 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -327 |
BS326 EP-70 |
IntegrationID
N/A 183960 |
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 1.600 in40.64 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -326 |
BS325 EP-70 |
IntegrationID
N/A 183961 |
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 1.475 in37.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -325 |
BS324 EP-70 |
IntegrationID
N/A 183962 |
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 1.350 in34.29 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -324 |
BS323 EP-70 |
IntegrationID
N/A 183963 |
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 1.287 in32.69 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -323 |
BS322 EP-70 |
IntegrationID
N/A 183964 |
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 1.225 in31.12 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -322 |
BS321 EP-70 |
IntegrationID
N/A 183965 |
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 1.162 in29.51 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -321 |
BS320 EP-70 |
IntegrationID
N/A 183966 |
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 1.100 in27.94 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -320 |
BS319 EP-70 |
IntegrationID
N/A 183967 |
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 1.037 in26.34 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -319 |
BS318 EP-70 |
IntegrationID
N/A 183968 |
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 0.975 in24.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -318 |
BS317 EP-70 |
IntegrationID
N/A 183969 |
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 0.912 in23.16 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -317 |
BS316 EP-70 |
IntegrationID
N/A 183970 |
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 0.850 in21.59 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -316 |
BS315 EP-70 |
IntegrationID
N/A 183971 |
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 0.787 in19.99 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -315 |
BS314 EP-70 |
IntegrationID
N/A 183972 |
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 0.725 in18.42 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -314 |
BS313 EP-70 |
IntegrationID
N/A 183973 |
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 0.662 in16.81 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -313 |
BS312 EP-70 |
IntegrationID
N/A 183974 |
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 0.600 in15.24 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -312 |
BS311 EP-70 |
IntegrationID
N/A 183975 |
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 0.537 in13.64 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -311 |
BS310 EP-70 |
IntegrationID
N/A 183976 |
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 0.475 in12.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -310 |
BS309 EP-70 |
IntegrationID
N/A 183977 |
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 0.412 in10.46 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -309 |
BS281 EP-70 |
IntegrationID
N/A 183978 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 14.984 in380.59 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -281 |
BS280 EP-70 |
IntegrationID
N/A 183979 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 13.984 in355.19 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -280 |