OneMonroe's JIS Silicone O-Rings are engineered to provide exceptional sealing performance in the most demanding applications. Crafted from high-quality silicone material, these O-rings are designed to withstand extreme temperatures, pressures, and chemical exposures, making them ideal for use in various industrial sectors, including automotive, aerospace, medical, and food processing. Their robust construction ensures a dependable seal that prevents leaks and protects equipment, providing long-lasting durability and reliability. With compliance to Japanese Industrial Standards (JIS), these O-rings offer precise dimensions and compatibility with a wide range of machinery and equipment, ensuring seamless integration in critical systems.
The unique properties of silicone make these O-rings an excellent choice for challenging environments. Silicone offers outstanding resistance to oxidation, UV light, and ozone, as well as flexibility across a broad temperature range. These qualities enable OneMonroe JIS Silicone O-Rings to perform reliably in both high-heat and low-temperature applications, without losing elasticity or shape. Whether you are working in freezing cold or intense heat, these O-rings maintain their integrity, providing consistent performance that helps to reduce maintenance and downtime for your equipment.
In addition to superior material quality, OneMonroe places a strong emphasis on product consistency and reliability. Each JIS Silicone O-Ring undergoes rigorous quality control to ensure it meets both JIS standards and our own stringent specifications. This attention to detail ensures that customers receive products they can trust for critical sealing applications. With our extensive range of sizes and dimensions, OneMonroe JIS Silicone O-Rings are a versatile solution that adapts to various needs, supporting efficiency, safety, and reliability in your systems. Choose OneMonroe for a high-performance, industry-compliant sealing solution you can depend on.
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 S-70 |
IntegrationID
N/A 180386 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180387 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180388 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180389 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180390 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180391 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180392 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180393 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180394 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180395 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180396 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180397 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180398 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180399 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180400 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180401 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180402 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180403 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180404 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180405 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180406 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180407 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180408 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180409 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 S-70 |
IntegrationID
N/A 180410 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | 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 |