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
BS107 S-70	N/A 186445	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.206 in5.23 mm	N/A 0.003 in0.08 mm	N/A -107
BS106 S-70	N/A 186446	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.175 in4.45 mm	N/A 0.003 in0.08 mm	N/A -106
BS105 S-70	N/A 186447	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.143 in3.63 mm	N/A 0.003 in0.08 mm	N/A -105
BS104 S-70	N/A 186448	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.112 in2.84 mm	N/A 0.003 in0.08 mm	N/A -104
BS103 S-70	N/A 186449	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.081 in2.06 mm	N/A 0.003 in0.08 mm	N/A -103
BS102 S-70	N/A 186450	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.049 in1.24 mm	N/A 0.003 in0.08 mm	N/A -102
BS50 S-70	N/A 186451	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.239 in133.07 mm	N/A 0.003 in0.08 mm	N/A -050
BS49 S-70	N/A 186452	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 4.989 in126.72 mm	N/A 0.003 in0.08 mm	N/A -049
BS48 S-70	N/A 186453	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 4.739 in120.37 mm	N/A 0.003 in0.08 mm	N/A -048
BS47 S-70	N/A 186454	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 4.489 in114.02 mm	N/A 0.003 in0.08 mm	N/A -047
BS46 S-70	N/A 186455	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 4.239 in107.67 mm	N/A 0.003 in0.08 mm	N/A -046
BS45 S-70	N/A 186456	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 3.989 in101.32 mm	N/A 0.003 in0.08 mm	N/A -045
BS44 S-70	N/A 186457	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 3.739 in94.97 mm	N/A 0.003 in0.08 mm	N/A -044
BS43 S-70	N/A 186458	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 3.489 in88.62 mm	N/A 0.003 in0.08 mm	N/A -043
BS42 S-70	N/A 186459	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 3.239 in82.27 mm	N/A 0.003 in0.08 mm	N/A -042
BS41 S-70	N/A 186460	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.989 in75.92 mm	N/A 0.003 in0.08 mm	N/A -041
BS40 S-70	N/A 186461	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.864 in72.75 mm	N/A 0.003 in0.08 mm	N/A -040
BS39 S-70	N/A 186462	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.739 in69.57 mm	N/A 0.003 in0.08 mm	N/A -039
BS38 S-70	N/A 186463	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.614 in66.40 mm	N/A 0.003 in0.08 mm	N/A -038
BS37 S-70	N/A 186464	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.489 in63.22 mm	N/A 0.003 in0.08 mm	N/A -037
BS36 S-70	N/A 186465	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.364 in60.05 mm	N/A 0.003 in0.08 mm	N/A -036
BS35 S-70	N/A 186466	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.239 in56.87 mm	N/A 0.003 in0.08 mm	N/A -035
BS34 S-70	N/A 186467	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 2.114 in53.70 mm	N/A 0.003 in0.08 mm	N/A -034
BS33 S-70	N/A 186468	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 1.989 in50.52 mm	N/A 0.003 in0.08 mm	N/A -033
BS32 S-70	N/A 186469	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 1.864 in47.35 mm	N/A 0.003 in0.08 mm	N/A -032

N/A
186445

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.206 in5.23 mm

N/A 0.003 in0.08 mm

N/A -107

BS106 S-70

N/A
186446

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.175 in4.45 mm

N/A 0.003 in0.08 mm

N/A -106

BS105 S-70

N/A
186447

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.143 in3.63 mm

N/A 0.003 in0.08 mm

N/A -105

BS104 S-70

N/A
186448

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.112 in2.84 mm

N/A 0.003 in0.08 mm

N/A -104

BS103 S-70

N/A
186449

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.081 in2.06 mm

N/A 0.003 in0.08 mm

N/A -103

BS102 S-70

N/A
186450

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.049 in1.24 mm

N/A 0.003 in0.08 mm

N/A -102

BS50 S-70

N/A
186451

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.239 in133.07 mm

N/A 0.003 in0.08 mm

N/A -050

BS49 S-70

N/A
186452

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 4.989 in126.72 mm

N/A 0.003 in0.08 mm

N/A -049

BS48 S-70

N/A
186453

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 4.739 in120.37 mm

N/A 0.003 in0.08 mm

N/A -048

BS47 S-70

N/A
186454

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 4.489 in114.02 mm

N/A 0.003 in0.08 mm

N/A -047

BS46 S-70

N/A
186455

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 4.239 in107.67 mm

N/A 0.003 in0.08 mm

N/A -046

BS45 S-70

N/A
186456

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 3.989 in101.32 mm

N/A 0.003 in0.08 mm

N/A -045

BS44 S-70

N/A
186457

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 3.739 in94.97 mm

N/A 0.003 in0.08 mm

N/A -044

BS43 S-70

N/A
186458

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 3.489 in88.62 mm

N/A 0.003 in0.08 mm

N/A -043

BS42 S-70

N/A
186459

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 3.239 in82.27 mm

N/A 0.003 in0.08 mm

N/A -042

BS41 S-70

N/A
186460

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.989 in75.92 mm

N/A 0.003 in0.08 mm

N/A -041

BS40 S-70

N/A
186461

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.864 in72.75 mm

N/A 0.003 in0.08 mm

N/A -040

BS39 S-70

N/A
186462

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.739 in69.57 mm

N/A 0.003 in0.08 mm

N/A -039

BS38 S-70

N/A
186463

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.614 in66.40 mm

N/A 0.003 in0.08 mm

N/A -038

BS37 S-70

N/A
186464

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.489 in63.22 mm

N/A 0.003 in0.08 mm

N/A -037

BS36 S-70

N/A
186465

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.364 in60.05 mm

N/A 0.003 in0.08 mm

N/A -036

BS35 S-70

N/A
186466

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.239 in56.87 mm

N/A 0.003 in0.08 mm

N/A -035

BS34 S-70

N/A
186467

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 2.114 in53.70 mm

N/A 0.003 in0.08 mm

N/A -034

BS33 S-70

N/A
186468

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 1.989 in50.52 mm

N/A 0.003 in0.08 mm

N/A -033

BS32 S-70

N/A
186469

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 1.864 in47.35 mm

N/A 0.003 in0.08 mm

N/A -032