BS Silicone O-Rings

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.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	BS Number
BS842 S-70	N/A 186070	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.687 in68.25 mm	N/A 0.004 in0.10 mm	N/A -842
BS841 S-70	N/A 186071	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.625 in66.68 mm	N/A 0.004 in0.10 mm	N/A -841
BS840 S-70	N/A 186072	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.563 in65.1 mm	N/A 0.004 in0.10 mm	N/A -840
BS839 S-70	N/A 186073	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.500 in63.50 mm	N/A 0.004 in0.10 mm	N/A -839
BS838 S-70	N/A 186074	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.437 in61.90 mm	N/A 0.004 in0.10 mm	N/A -838
BS837 S-70	N/A 186075	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.375 in60.33 mm	N/A 0.004 in0.10 mm	N/A -837
BS836 S-70	N/A 186076	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.313 in58.74 mm	N/A 0.004 in0.10 mm	N/A -836
BS835 S-70	N/A 186077	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.25 in57.15 mm	N/A 0.004 in0.10 mm	N/A -835
BS834 S-70	N/A 186078	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.187 in55.55 mm	N/A 0.004 in0.10 mm	N/A -834
BS833 S-70	N/A 186079	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.125 in53.98 mm	N/A 0.004 in0.10 mm	N/A -833
BS832 S-70	N/A 186080	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.063 in52.39 mm	N/A 0.004 in0.10 mm	N/A -832
BS831 S-70	N/A 186081	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 2.000 in50.80 mm	N/A 0.004 in0.10 mm	N/A -831
BS830 S-70	N/A 186082	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.937 in49.20 mm	N/A 0.004 in0.10 mm	N/A -830
BS829 S-70	N/A 186083	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.875 in47.63 mm	N/A 0.004 in0.10 mm	N/A -829
BS828 S-70	N/A 186084	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.813 in46.04 mm	N/A 0.004 in0.10 mm	N/A -828
BS827 S-70	N/A 186085	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.75 in44.45 mm	N/A 0.004 in0.10 mm	N/A -827
BS826 S-70	N/A 186086	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.687 in42.85 mm	N/A 0.004 in0.10 mm	N/A -826
BS825 S-70	N/A 186087	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.625 in41.28 mm	N/A 0.004 in0.10 mm	N/A -825
BS824 S-70	N/A 186088	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.563 in39.70 mm	N/A 0.004 in0.10 mm	N/A -824
BS814 S-70	N/A 186089	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.937 in23.80 mm	N/A 0.003 in0.08 mm	N/A -814
BS813 S-70	N/A 186090	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.875 in22.23 mm	N/A 0.003 in0.08 mm	N/A -813
BS812 S-70	N/A 186091	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.812 in20.62 mm	N/A 0.003 in0.08 mm	N/A -812
BS810 S-70	N/A 186092	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.687 in17.45 mm	N/A 0.003 in0.08 mm	N/A -810
BS809 S-70	N/A 186093	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.625 in15.88 mm	N/A 0.003 in0.08 mm	N/A -809
BS807 S-70	N/A 186094	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.500 in12.70 mm	N/A 0.003 in0.08 mm	N/A -807

N/A
186070

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.687 in68.25 mm

N/A 0.004 in0.10 mm

N/A -842

BS841 S-70

N/A
186071

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.625 in66.68 mm

N/A 0.004 in0.10 mm

N/A -841

BS840 S-70

N/A
186072

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.563 in65.1 mm

N/A 0.004 in0.10 mm

N/A -840

BS839 S-70

N/A
186073

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.500 in63.50 mm

N/A 0.004 in0.10 mm

N/A -839

BS838 S-70

N/A
186074

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.437 in61.90 mm

N/A 0.004 in0.10 mm

N/A -838

BS837 S-70

N/A
186075

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.375 in60.33 mm

N/A 0.004 in0.10 mm

N/A -837

BS836 S-70

N/A
186076

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.313 in58.74 mm

N/A 0.004 in0.10 mm

N/A -836

BS835 S-70

N/A
186077

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.25 in57.15 mm

N/A 0.004 in0.10 mm

N/A -835

BS834 S-70

N/A
186078

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.187 in55.55 mm

N/A 0.004 in0.10 mm

N/A -834

BS833 S-70

N/A
186079

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.125 in53.98 mm

N/A 0.004 in0.10 mm

N/A -833

BS832 S-70

N/A
186080

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.063 in52.39 mm

N/A 0.004 in0.10 mm

N/A -832

BS831 S-70

N/A
186081

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 2.000 in50.80 mm

N/A 0.004 in0.10 mm

N/A -831

BS830 S-70

N/A
186082

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.937 in49.20 mm

N/A 0.004 in0.10 mm

N/A -830

BS829 S-70

N/A
186083

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.875 in47.63 mm

N/A 0.004 in0.10 mm

N/A -829

BS828 S-70

N/A
186084

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.813 in46.04 mm

N/A 0.004 in0.10 mm

N/A -828

BS827 S-70

N/A
186085

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.75 in44.45 mm

N/A 0.004 in0.10 mm

N/A -827

BS826 S-70

N/A
186086

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.687 in42.85 mm

N/A 0.004 in0.10 mm

N/A -826

BS825 S-70

N/A
186087

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.625 in41.28 mm

N/A 0.004 in0.10 mm

N/A -825

BS824 S-70

N/A
186088

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.563 in39.70 mm

N/A 0.004 in0.10 mm

N/A -824

BS814 S-70

N/A
186089

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.937 in23.80 mm

N/A 0.003 in0.08 mm

N/A -814

BS813 S-70

N/A
186090

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.875 in22.23 mm

N/A 0.003 in0.08 mm

N/A -813

BS812 S-70

N/A
186091

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.812 in20.62 mm

N/A 0.003 in0.08 mm

N/A -812

BS810 S-70

N/A
186092

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.687 in17.45 mm

N/A 0.003 in0.08 mm

N/A -810

BS809 S-70

N/A
186093

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.625 in15.88 mm

N/A 0.003 in0.08 mm

N/A -809

BS807 S-70

N/A
186094

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.500 in12.70 mm

N/A 0.003 in0.08 mm

N/A -807