OneMonroe JIS EP O-Rings offer industry-leading performance for applications requiring durable, high-quality seals. Crafted from EP (ethylene propylene) material, these O-rings are specifically designed to withstand a wide range of temperatures and provide excellent resistance to water, steam, and various chemical compounds. Their robust composition makes them perfect for challenging environments where other seals may fall short, providing consistent reliability and extending the lifespan of your equipment. Engineered to meet Japanese Industrial Standards (JIS), these O-rings offer precise sizing and exceptional sealing efficiency across multiple industries, from automotive and aerospace to manufacturing and heavy machinery.
Our EP O-rings undergo rigorous quality control processes to ensure they meet the highest industry standards. With OneMonroe, you can trust that each JIS EP O-ring is manufactured with top-tier materials and precision engineering, ensuring compatibility and durability under intense conditions. Thanks to their superior elastomeric properties, they resist deformation and maintain their sealing power, even in high-pressure applications. Whether you need a solution for low- or high-temperature applications, OneMonroe JIS EP O-rings provide a flexible, reliable sealing option designed to reduce maintenance needs and improve operational efficiency.
At OneMonroe, we understand that each project has unique requirements, and we are committed to providing O-rings that exceed expectations in terms of both performance and value. Available in a variety of sizes and specifications, our JIS EP O-rings are suited to custom applications and standard replacements alike. By choosing OneMonroe, you gain access to a team dedicated to offering high-quality sealing solutions and exceptional customer support to help you select the right product for your specific needs. Trust in OneMonroe's JIS EP O-rings to deliver durability, versatility, and efficiency to every project.
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 (mm)
Inside Diameter (in)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
ID Tolerance |
JIS Number |
---|---|---|---|---|---|---|---|---|---|
P35.5 EP-70 |
IntegrationID
N/A 179346 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.20 mm1.386 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-35.5 |
P355 EP-70 |
IntegrationID
N/A 179347 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 354.50 mm13.957 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-355 |
P36 EP-70 |
IntegrationID
N/A 179348 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.70 mm1.406 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-36 |
P360 EP-70 |
IntegrationID
N/A 179349 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 359.50 mm14.154 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-360 |
P375 EP-70 |
IntegrationID
N/A 179350 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 374.50 mm14.744 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-375 |
P38 EP-70 |
IntegrationID
N/A 179351 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 37.70 mm1.484 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-38 |
P385 EP-70 |
IntegrationID
N/A 179352 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 384.50 mm15.138 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-385 |
P39 EP-70 |
IntegrationID
N/A 179353 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 38.70 mm1.524 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-39 |
P4 EP-70 |
IntegrationID
N/A 179354 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 70 | Inside Diameter N/A 3.80 mm0.150 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-4 |
P40 EP-70 |
IntegrationID
N/A 179355 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 39.70 mm1.563 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-40 |
P400 EP-70 |
IntegrationID
N/A 179356 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 399.5 mm15.728 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-400 |
P41 EP-70 |
IntegrationID
N/A 179357 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 40.70 mm1.602 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-41 |
P42 EP-70 |
IntegrationID
N/A 179358 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 41.70 mm1.642 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-42 |
P44 EP-70 |
IntegrationID
N/A 179359 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 43.70 mm1.720 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-44 |
P45 EP-70 |
IntegrationID
N/A 179360 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 44.70 mm1.760 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-45 |
P46 EP-70 |
IntegrationID
N/A 179361 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 45.70 mm1.799 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-46 |
P48 EP-70 |
IntegrationID
N/A 179362 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 47.70 mm1.878 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48 |
P48A EP-70 |
IntegrationID
N/A 179363 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 47.60 mm1.874 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48A |
P49 EP-70 |
IntegrationID
N/A 179364 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 48.70 mm1.917 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-49 |
P5 EP-70 |
IntegrationID
N/A 179365 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 70 | Inside Diameter N/A 4.80 mm0.189 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-5 |
P50 EP-70 |
IntegrationID
N/A 179366 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 49.70 mm1.957 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50 |
P50A EP-70 |
IntegrationID
N/A 179367 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 49.60 mm1.953 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50A |
P52 EP-70 |
IntegrationID
N/A 179368 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 51.60 mm2.031 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-52 |
P53 EP-70 |
IntegrationID
N/A 179369 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 52.6 mm2.071 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-53 |
P55 EP-70 |
IntegrationID
N/A 179370 |
Type N/A JIS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 54.60 mm2.150 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-55 |