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
BS619 S-70	N/A 186120	N/A BS Standard O-Ring	N/A Silicone	N/A 0.210 in5.33 mm	N/A 70	N/A 2.938 in74.61 mm	N/A 0.005 in0.13 mm	N/A -619
BS618 S-70	N/A 186121	N/A BS Standard O-Ring	N/A Silicone	N/A 0.139 in3.53 mm	N/A 70	N/A 1.016 in25.81 mm	N/A 0.004 in0.10 mm	N/A -618
BS617 S-70	N/A 186122	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.703 in17.86 mm	N/A 0.003 in0.08 mm	N/A -617
BS616 S-70	N/A 186123	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.594 in15.09 mm	N/A 0.003 in0.08 mm	N/A -616
BS615 S-70	N/A 186124	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.516 in13.11 mm	N/A 0.003 in0.08 mm	N/A -615
BS614 S-70	N/A 186125	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.469 in11.91 mm	N/A 0.003 in0.08 mm	N/A -614
BS613 S-70	N/A 186126	N/A BS Standard O-Ring	N/A Silicone	N/A 0.103 in2.62 mm	N/A 70	N/A 0.391 in9.93 mm	N/A 0.003 in0.08 mm	N/A -613
BS611 S-70	N/A 186127	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 0.344 in8.74 mm	N/A 0.003 in0.08 mm	N/A -611
BS610 S-70	N/A 186128	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 0.266 in6.76 mm	N/A 0.003 in0.08 mm	N/A -610
BS607 S-70	N/A 186129	N/A BS Standard O-Ring	N/A Silicone	N/A 0.040 in1.02 mm	N/A 70	N/A 0.100 in2.54 mm	N/A 0.003 in0.08 mm	N/A -607
BS606 S-70	N/A 186130	N/A BS Standard O-Ring	N/A Silicone	N/A 0.040 in1.02 mm	N/A 70	N/A 0.070 in1.78 mm	N/A 0.003 in0.08 mm	N/A -606
BS562 S-70	N/A 186131	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.845 in173.86 mm	N/A 0.003 in0.08 mm	N/A -562
BS561 S-70	N/A 186132	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.72 in170.69 mm	N/A 0.003 in0.08 mm	N/A -561
BS560 S-70	N/A 186133	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.695 in170.05 mm	N/A 0.003 in0.08 mm	N/A -560
BS559 S-70	N/A 186134	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.470 in164.34 mm	N/A 0.003 in0.08 mm	N/A -559
BS558 S-70	N/A 186135	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.345 in161.16 mm	N/A 0.003 in0.08 mm	N/A -558
BS557 S-70	N/A 186136	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.22 in157.99 mm	N/A 0.003 in0.08 mm	N/A -557
BS556 S-70	N/A 186137	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 6.095 in154.81 mm	N/A 0.003 in0.08 mm	N/A -556
BS555 S-70	N/A 186138	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.97 in151.64 mm	N/A 0.003 in0.08 mm	N/A -555
BS554 S-70	N/A 186139	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.845 in148.46 mm	N/A 0.003 in0.08 mm	N/A -554
BS553 S-70	N/A 186140	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.72 in145.29 mm	N/A 0.003 in0.08 mm	N/A -553
BS552 S-70	N/A 186141	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.595 in142.11 mm	N/A 0.003 in0.08 mm	N/A -552
BS551 S-70	N/A 186142	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.47 in138.94 mm	N/A 0.003 in0.08 mm	N/A -551
BS550 S-70	N/A 186143	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.345 in135.76 mm	N/A 0.003 in0.08 mm	N/A -550
BS548 S-70	N/A 186144	N/A BS Standard O-Ring	N/A Silicone	N/A 0.070 in1.78 mm	N/A 70	N/A 5.095 in129.41 mm	N/A 0.003 in0.08 mm	N/A -548

N/A
186120

N/A BS Standard O-Ring

N/A Silicone

N/A 0.210 in5.33 mm

N/A 70

N/A 2.938 in74.61 mm

N/A 0.005 in0.13 mm

N/A -619

BS618 S-70

N/A
186121

N/A BS Standard O-Ring

N/A Silicone

N/A 0.139 in3.53 mm

N/A 70

N/A 1.016 in25.81 mm

N/A 0.004 in0.10 mm

N/A -618

BS617 S-70

N/A
186122

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.703 in17.86 mm

N/A 0.003 in0.08 mm

N/A -617

BS616 S-70

N/A
186123

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.594 in15.09 mm

N/A 0.003 in0.08 mm

N/A -616

BS615 S-70

N/A
186124

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.516 in13.11 mm

N/A 0.003 in0.08 mm

N/A -615

BS614 S-70

N/A
186125

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.469 in11.91 mm

N/A 0.003 in0.08 mm

N/A -614

BS613 S-70

N/A
186126

N/A BS Standard O-Ring

N/A Silicone

N/A 0.103 in2.62 mm

N/A 70

N/A 0.391 in9.93 mm

N/A 0.003 in0.08 mm

N/A -613

BS611 S-70

N/A
186127

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 0.344 in8.74 mm

N/A 0.003 in0.08 mm

N/A -611

BS610 S-70

N/A
186128

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 0.266 in6.76 mm

N/A 0.003 in0.08 mm

N/A -610

BS607 S-70

N/A
186129

N/A BS Standard O-Ring

N/A Silicone

N/A 0.040 in1.02 mm

N/A 70

N/A 0.100 in2.54 mm

N/A 0.003 in0.08 mm

N/A -607

BS606 S-70

N/A
186130

N/A BS Standard O-Ring

N/A Silicone

N/A 0.040 in1.02 mm

N/A 70

N/A 0.070 in1.78 mm

N/A 0.003 in0.08 mm

N/A -606

BS562 S-70

N/A
186131

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.845 in173.86 mm

N/A 0.003 in0.08 mm

N/A -562

BS561 S-70

N/A
186132

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.72 in170.69 mm

N/A 0.003 in0.08 mm

N/A -561

BS560 S-70

N/A
186133

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.695 in170.05 mm

N/A 0.003 in0.08 mm

N/A -560

BS559 S-70

N/A
186134

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.470 in164.34 mm

N/A 0.003 in0.08 mm

N/A -559

BS558 S-70

N/A
186135

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.345 in161.16 mm

N/A 0.003 in0.08 mm

N/A -558

BS557 S-70

N/A
186136

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.22 in157.99 mm

N/A 0.003 in0.08 mm

N/A -557

BS556 S-70

N/A
186137

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 6.095 in154.81 mm

N/A 0.003 in0.08 mm

N/A -556

BS555 S-70

N/A
186138

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.97 in151.64 mm

N/A 0.003 in0.08 mm

N/A -555

BS554 S-70

N/A
186139

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.845 in148.46 mm

N/A 0.003 in0.08 mm

N/A -554

BS553 S-70

N/A
186140

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.72 in145.29 mm

N/A 0.003 in0.08 mm

N/A -553

BS552 S-70

N/A
186141

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.595 in142.11 mm

N/A 0.003 in0.08 mm

N/A -552

BS551 S-70

N/A
186142

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.47 in138.94 mm

N/A 0.003 in0.08 mm

N/A -551

BS550 S-70

N/A
186143

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.345 in135.76 mm

N/A 0.003 in0.08 mm

N/A -550

BS548 S-70

N/A
186144

N/A BS Standard O-Ring

N/A Silicone

N/A 0.070 in1.78 mm

N/A 70

N/A 5.095 in129.41 mm

N/A 0.003 in0.08 mm

N/A -548