OneMonroe Silicone O-Rings offer a top-tier sealing solution designed to withstand a wide range of temperatures, chemicals, and environmental conditions. Made from premium silicone materials, these O-rings provide exceptional resilience and durability, making them suitable for various applications in industries such as aerospace, automotive, and medical. Whether you're seeking protection against extreme temperatures, moisture, or harsh chemicals, OneMonroe Silicone O-Rings deliver reliable performance, ensuring a secure and consistent seal in both static and dynamic applications.
Our silicone O-rings are engineered for optimal flexibility and compression, ensuring they maintain their shape and function under both high-stress and low-stress conditions. With an impressive temperature range and resistance to UV, ozone, and many chemicals, they are ideal for challenging environments that demand both strength and adaptability. Available in a range of sizes, our BS Silicone O-Rings offer versatile solutions for both standard and custom applications, ensuring you find the exact fit needed for your specific requirements. We manufacture each O-ring with precision, ensuring that each product meets the highest quality standards.
OneMonroe takes pride in providing reliable sealing solutions that enhance the safety and efficiency of your systems. Our silicone O-rings are carefully tested to ensure consistent quality and performance, providing you with a dependable sealing option that stands the test of time. With our commitment to quality and an extensive selection of sizes and specifications, OneMonroe Silicone O-Rings are the ideal choice for anyone looking to secure their equipment against leaks, contamination, or environmental wear. Choose OneMonroe for a sealing solution that meets your toughest demands and offers exceptional value in performance and durability.
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 |
---|---|---|---|---|---|---|---|---|
BS903 S-70 |
IntegrationID
N/A 186045 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 70 | Inside Diameter N/A 0.301 in7.65 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -903 |
BS902 S-70 |
IntegrationID
N/A 186046 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 70 | Inside Diameter N/A 0.239 in6.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -902 |
BS886 S-70 |
IntegrationID
N/A 186047 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.875 in200.03 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -886 |
BS884 S-70 |
IntegrationID
N/A 186048 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.625 in193.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -884 |
BS882 S-70 |
IntegrationID
N/A 186049 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.375 in187.33 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -882 |
BS880 S-70 |
IntegrationID
N/A 186050 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.125 in180.98 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -880 |
BS878 S-70 |
IntegrationID
N/A 186051 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.875 in174.63 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -878 |
BS876 S-70 |
IntegrationID
N/A 186052 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.625 in168.28 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -876 |
BS874 S-70 |
IntegrationID
N/A 186053 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.375 in161.93 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -874 |
BS872 S-70 |
IntegrationID
N/A 186054 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.125 in155.58 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -872 |
BS870 S-70 |
IntegrationID
N/A 186055 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.875 in149.23 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -870 |
BS869 S-70 |
IntegrationID
N/A 186056 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.75 in146.05 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -869 |
BS868 S-70 |
IntegrationID
N/A 186057 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.625 in142.88 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -868 |
BS867 S-70 |
IntegrationID
N/A 186058 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.5 in139.70 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -867 |
BS866 S-70 |
IntegrationID
N/A 186059 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.375 in136.53 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -866 |
BS865 S-70 |
IntegrationID
N/A 186060 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.25 in133.35 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -865 |
BS864 S-70 |
IntegrationID
N/A 186061 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.125 in130.18 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -864 |
BS863 S-70 |
IntegrationID
N/A 186062 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.000 in127.00 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -863 |
BS862 S-70 |
IntegrationID
N/A 186063 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.875 in123.83 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -862 |
BS861 S-70 |
IntegrationID
N/A 186064 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.75 in120.65 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -861 |
BS860 S-70 |
IntegrationID
N/A 186065 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.625 in117.48 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -860 |
BS846 S-70 |
IntegrationID
N/A 186066 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.937 in74.60 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -846 |
BS845 S-70 |
IntegrationID
N/A 186067 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.875 in73.03 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -845 |
BS844 S-70 |
IntegrationID
N/A 186068 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.813 in71.44 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -844 |
BS843 S-70 |
IntegrationID
N/A 186069 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.75 in69.85 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -843 |