Monroe
OneMonroe
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OneMonroe PTFE O-Rings provide an exceptional sealing solution for demanding applications where standard rubber or elastomer rings may fall short. These high-quality O-Rings are made from PTFE (polytetrafluoroethylene), a versatile and durable material known for its remarkable resistance to high temperatures, chemicals, and extreme environmental conditions. PTFE O-Rings offer superior performance in harsh industrial settings, such as chemical processing, oil and gas, and food manufacturing, where contamination-free, leak-proof seals are essential. OneMonroe’s PTFE O-Rings are designed to maintain their integrity under extreme pressure, making them an optimal choice for businesses that prioritize reliable, long-lasting components.

Available in a range of sizes to fit various BS specifications, OneMonroe’s PTFE O-Rings are engineered to meet the unique demands of high-temperature and corrosive applications. Unlike traditional O-Rings, PTFE O-Rings are non-reactive and highly resistant to a wide range of chemicals, including acids, bases, and solvents, allowing them to deliver top-notch performance where rubber O-Rings might degrade. The PTFE material also boasts a low coefficient of friction, which minimizes wear and tear on both the O-Ring and surrounding components. This means less downtime and fewer replacements, translating to cost savings and increased operational efficiency for your business.

OneMonroe is committed to providing products that offer exceptional durability and performance in even the most challenging environments. Each PTFE O-Ring is precision-manufactured and quality-checked to meet stringent industry standards, ensuring you receive a reliable product every time. Whether you’re working in an industrial, automotive, or medical setting, OneMonroe PTFE O-Rings are designed to handle the job with unmatched resilience and durability. Trust OneMonroe’s dedication to quality and performance, and let our PTFE O-Rings help keep your operations running smoothly and securely.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS619 PTFE N/A
189361 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 2.938 in74.61 mm N/A 0.005 in0.13 mm N/A -619
BS618 PTFE N/A
189362 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.016 in25.81 mm N/A 0.004 in0.10 mm N/A -618
BS617 PTFE N/A
189363 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.703 in17.86 mm N/A 0.003 in0.08 mm N/A -617
BS616 PTFE N/A
189364 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.594 in15.09 mm N/A 0.003 in0.08 mm N/A -616
BS615 PTFE N/A
189365 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.516 in13.11 mm N/A 0.003 in0.08 mm N/A -615
BS614 PTFE N/A
189366 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.469 in11.91 mm N/A 0.003 in0.08 mm N/A -614
BS613 PTFE N/A
189367 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.391 in9.93 mm N/A 0.003 in0.08 mm N/A -613
BS611 PTFE N/A
189368 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.344 in8.74 mm N/A 0.003 in0.08 mm N/A -611
BS610 PTFE N/A
189369 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.266 in6.76 mm N/A 0.003 in0.08 mm N/A -610
BS757 PTFE N/A
189370 		N/A BS Standard O-Ring N/A PTFE N/A 0.040 in1.02 mm N/A 0.100 in2.54 mm N/A 0.003 in0.08 mm N/A -757
BS756 PTFE N/A
189371 		N/A BS Standard O-Ring N/A PTFE N/A 0.040 in1.02 mm N/A 0.070 in1.78 mm N/A 0.003 in0.08 mm N/A -756
BS562 PTFE N/A
189372 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.845 in173.86 mm N/A 0.003 in0.08 mm N/A -562
BS561 PTFE N/A
189373 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.72 in170.69 mm N/A 0.003 in0.08 mm N/A -561
BS575 PTFE N/A
189374 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.695 in170.05 mm N/A 0.003 in0.08 mm N/A -575
BS559 PTFE N/A
189375 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.470 in164.34 mm N/A 0.003 in0.08 mm N/A -559
BS558 PTFE N/A
189376 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.345 in161.16 mm N/A 0.003 in0.08 mm N/A -558
BS557 PTFE N/A
189377 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.22 in157.99 mm N/A 0.003 in0.08 mm N/A -557
BS556 PTFE N/A
189378 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 6.095 in154.81 mm N/A 0.003 in0.08 mm N/A -556
BS555 PTFE N/A
189379 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.97 in151.64 mm N/A 0.003 in0.08 mm N/A -555
BS554 PTFE N/A
189380 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.845 in148.46 mm N/A 0.003 in0.08 mm N/A -554
BS553 PTFE N/A
189381 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.72 in145.29 mm N/A 0.003 in0.08 mm N/A -553
BS552 PTFE N/A
189382 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.595 in142.11 mm N/A 0.003 in0.08 mm N/A -552
BS551 PTFE N/A
189383 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.47 in138.94 mm N/A 0.003 in0.08 mm N/A -551
BS550 PTFE N/A
189384 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.345 in135.76 mm N/A 0.003 in0.08 mm N/A -550
BS548 PTFE N/A
189385 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 5.095 in129.41 mm N/A 0.003 in0.08 mm N/A -548
Unit of Measure
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