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
BS460 S-70	N/A 186170	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 15.475 in393.07 mm	N/A 0.006 in0.15 mm	N/A -460
BS459 S-70	N/A 186171	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 14.9751 in380.37 mm	N/A 0.006 in0.15 mm	N/A -459
BS458 S-70	N/A 186172	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 14.475 in367.67 mm	N/A 0.006 in0.15 mm	N/A -458
BS457 S-70	N/A 186173	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 13.9751 in354.97 mm	N/A 0.006 in0.15 mm	N/A -457
BS456 S-70	N/A 186174	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 13.475 in342.27 mm	N/A 0.006 in0.15 mm	N/A -456
BS455 S-70	N/A 186175	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 12.975 in329.57 mm	N/A 0.006 in0.15 mm	N/A -455
BS454 S-70	N/A 186176	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 12.475 in316.87 mm	N/A 0.006 in0.15 mm	N/A -454
BS453 S-70	N/A 186177	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 11.975 in304.17 mm	N/A 0.006 in0.15 mm	N/A -453
BS452 S-70	N/A 186178	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 11.475 in291.47 mm	N/A 0.006 in0.15 mm	N/A -452
BS451 S-70	N/A 186179	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 10.975 in278.77 mm	N/A 0.006 in0.15 mm	N/A -451
BS450 S-70	N/A 186180	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 10.475 in266.07 mm	N/A 0.006 in0.15 mm	N/A -450
BS449 S-70	N/A 186181	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 9.975 in253.37 mm	N/A 0.006 in0.15 mm	N/A -449
BS448 S-70	N/A 186182	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 9.475 in240.67 mm	N/A 0.006 in0.15 mm	N/A -448
BS447 S-70	N/A 186183	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 8.975 in227.97 mm	N/A 0.006 in0.15 mm	N/A -447
BS446 S-70	N/A 186184	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 8.475 in215.27 mm	N/A 0.006 in0.15 mm	N/A -446
BS445 S-70	N/A 186185	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 7.975 in202.57 mm	N/A 0.006 in0.15 mm	N/A -445
BS444 S-70	N/A 186186	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 7.725 in196.22 mm	N/A 0.006 in0.15 mm	N/A -444
BS443 S-70	N/A 186187	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 7.475 in189.87 mm	N/A 0.006 in0.15 mm	N/A -443
BS442 S-70	N/A 186188	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 7.225 in183.52 mm	N/A 0.006 in0.15 mm	N/A -442
BS441 S-70	N/A 186189	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 6.975 in177.17 mm	N/A 0.006 in0.15 mm	N/A -441
BS440 S-70	N/A 186190	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 6.725 in170.82 mm	N/A 0.006 in0.15 mm	N/A -440
BS439 S-70	N/A 186191	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 6.475 in164.47 mm	N/A 0.006 in0.15 mm	N/A -439
BS438 S-70	N/A 186192	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 6.225 in158.12 mm	N/A 0.006 in0.15 mm	N/A -438
BS437 S-70	N/A 186193	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 5.975 in151.77 mm	N/A 0.006 in0.15 mm	N/A -437
BS436 S-70	N/A 186194	N/A BS Standard O-Ring	N/A Silicone	N/A 0.275 in6.99 mm	N/A 70	N/A 5.850 in148.59 mm	N/A 0.006 in0.15 mm	N/A -436

N/A
186170

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 15.475 in393.07 mm

N/A 0.006 in0.15 mm

N/A -460

BS459 S-70

N/A
186171

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 14.9751 in380.37 mm

N/A 0.006 in0.15 mm

N/A -459

BS458 S-70

N/A
186172

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 14.475 in367.67 mm

N/A 0.006 in0.15 mm

N/A -458

BS457 S-70

N/A
186173

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 13.9751 in354.97 mm

N/A 0.006 in0.15 mm

N/A -457

BS456 S-70

N/A
186174

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 13.475 in342.27 mm

N/A 0.006 in0.15 mm

N/A -456

BS455 S-70

N/A
186175

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 12.975 in329.57 mm

N/A 0.006 in0.15 mm

N/A -455

BS454 S-70

N/A
186176

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 12.475 in316.87 mm

N/A 0.006 in0.15 mm

N/A -454

BS453 S-70

N/A
186177

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 11.975 in304.17 mm

N/A 0.006 in0.15 mm

N/A -453

BS452 S-70

N/A
186178

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 11.475 in291.47 mm

N/A 0.006 in0.15 mm

N/A -452

BS451 S-70

N/A
186179

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 10.975 in278.77 mm

N/A 0.006 in0.15 mm

N/A -451

BS450 S-70

N/A
186180

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 10.475 in266.07 mm

N/A 0.006 in0.15 mm

N/A -450

BS449 S-70

N/A
186181

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 9.975 in253.37 mm

N/A 0.006 in0.15 mm

N/A -449

BS448 S-70

N/A
186182

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 9.475 in240.67 mm

N/A 0.006 in0.15 mm

N/A -448

BS447 S-70

N/A
186183

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 8.975 in227.97 mm

N/A 0.006 in0.15 mm

N/A -447

BS446 S-70

N/A
186184

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 8.475 in215.27 mm

N/A 0.006 in0.15 mm

N/A -446

BS445 S-70

N/A
186185

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 7.975 in202.57 mm

N/A 0.006 in0.15 mm

N/A -445

BS444 S-70

N/A
186186

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 7.725 in196.22 mm

N/A 0.006 in0.15 mm

N/A -444

BS443 S-70

N/A
186187

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 7.475 in189.87 mm

N/A 0.006 in0.15 mm

N/A -443

BS442 S-70

N/A
186188

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 7.225 in183.52 mm

N/A 0.006 in0.15 mm

N/A -442

BS441 S-70

N/A
186189

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 6.975 in177.17 mm

N/A 0.006 in0.15 mm

N/A -441

BS440 S-70

N/A
186190

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 6.725 in170.82 mm

N/A 0.006 in0.15 mm

N/A -440

BS439 S-70

N/A
186191

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 6.475 in164.47 mm

N/A 0.006 in0.15 mm

N/A -439

BS438 S-70

N/A
186192

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 6.225 in158.12 mm

N/A 0.006 in0.15 mm

N/A -438

BS437 S-70

N/A
186193

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 5.975 in151.77 mm

N/A 0.006 in0.15 mm

N/A -437

BS436 S-70

N/A
186194

N/A BS Standard O-Ring

N/A Silicone

N/A 0.275 in6.99 mm

N/A 70

N/A 5.850 in148.59 mm

N/A 0.006 in0.15 mm

N/A -436