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OneMonroe Fluorosilicone O-Rings are engineered to provide exceptional sealing performance, especially in demanding environments that require resistance to extreme temperatures, chemicals, and other aggressive agents. Manufactured to AS568 standards, these O-rings are designed with precision to ensure a secure, leak-proof seal in a wide range of applications, from aerospace and automotive to industrial machinery and chemical processing. With their unique fluorosilicone material, OneMonroe O-Rings offer superior resistance to fuels, oils, and solvents, making them a reliable choice for critical applications where other materials may fail.

In addition to chemical and temperature resistance, OneMonroe Fluorosilicone O-Rings provide excellent durability and stability over prolonged use, even in variable environmental conditions. Their resilience against both high and low temperatures makes them ideal for applications that require flexibility and strength, ensuring that seals remain effective and secure. Whether for use in high-pressure systems or equipment exposed to outdoor elements, these O-rings maintain integrity and performance, reducing the need for frequent maintenance and replacements, which saves time and costs over the long term.

At OneMonroe, we understand the importance of quality and reliability in industrial sealing solutions. That’s why our Fluorosilicone O-Rings are crafted with precision and held to rigorous quality standards. Each O-ring undergoes thorough testing to guarantee its performance in the most challenging applications, providing peace of mind to engineers and operators alike. With our commitment to delivering superior products, OneMonroe Fluorosilicone O-Rings offer the quality, resilience, and endurance required for complex and critical sealing needs, making them a trusted choice for industries that demand the best.

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

This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C).

AS568 Buna O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

Cross Section Tolerance +/-

Inside Diameter Tolerance +/-

Size Reference - AS568

Units of Measure

Tube Size O.D.

Quantity
-906 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.078 in N/A 75 N/A 0.468 mm0.468 in N/A 0.003 in N/A 0.005 in N/A -906 N/A Imperial N/A 3/8
-907 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.082 in N/A 75 N/A 0.530 mm0.530 in N/A 0.003 in N/A 0.005 in N/A -907 N/A Imperial N/A 7/16
-908 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.087 in N/A 75 N/A 0.644 mm0.644 in N/A 0.003 in N/A 0.009 in N/A -908 N/A Imperial N/A 1/2
-909 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.097 in N/A 75 N/A 0.706 mm0.706 in N/A 0.003 in N/A 0.009 in N/A -909 N/A Imperial N/A 9/16
-910 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.097 in N/A 75 N/A 0.755 mm0.755 in N/A 0.003 in N/A 0.009 in N/A -910 N/A Imperial N/A 5/8
-911 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 0.863 mm0.863 in N/A 0.004 in N/A 0.009 in N/A -911 N/A Imperial N/A 11/16
-912 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 0.924 mm0.924 in N/A 0.004 in N/A 0.009 in N/A -912 N/A Imperial N/A 3/4
-913 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 0.986 mm0.986 in N/A 0.004 in N/A 0.010 in N/A -913 N/A Imperial N/A 13/16
-914 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 1.047 mm1.047 in N/A 0.004 in N/A 0.010 in N/A -914 N/A Imperial N/A 7/8
-916 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 1.171 mm1.171 in N/A 0.004 in N/A 0.010 in N/A -916 N/A Imperial N/A 1
-918 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.116 in N/A 75 N/A 1.355 mm1.355 in N/A 0.004 in N/A 0.012 in N/A -918 N/A Imperial N/A 1-1/8
-920 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.118 in N/A 75 N/A 1.475 mm1.475 in N/A 0.004 in N/A 0.014 in N/A -920 N/A Imperial N/A 1-1/4
-924 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.118 in N/A 75 N/A 1.720 mm1.720 in N/A 0.004 in N/A 0.014 in N/A -924 N/A Imperial N/A 1-1/2
-928 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.118 in N/A 75 N/A 2.090 mm2.090 in N/A 0.004 in N/A 0.018 in N/A -928 N/A Imperial N/A 1-3/4
-932 Fluorosillicone-75 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.118 in N/A 75 N/A 2.337 mm2.337 in N/A 0.004 in N/A 0.018 in N/A -932 N/A Imperial N/A 2
-901 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.056 in N/A 90 N/A 0.185 mm0.185 in N/A 0.003 in N/A 0.005 in N/A -901 N/A Imperial N/A 3/32
-902 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.064 in N/A 90 N/A 0.239 mm0.239 in N/A 0.003 in N/A 0.005 in N/A -902 N/A Imperial N/A 1/8
-903 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.064 in N/A 90 N/A 0.301 mm0.301 in N/A 0.003 in N/A 0.005 in N/A -903 N/A Imperial N/A 3/16
-904 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.072 in N/A 90 N/A 0.351 mm0.351 in N/A 0.003 in N/A 0.005 in N/A -904 N/A Imperial N/A 1/4
-905 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.072 in N/A 90 N/A 0.414 mm0.414 in N/A 0.003 in N/A 0.005 in N/A -905 N/A Imperial N/A 5/16
-906 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.078 in N/A 90 N/A 0.468 mm0.468 in N/A 0.003 in N/A 0.005 in N/A -906 N/A Imperial N/A 3/8
-907 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.082 in N/A 90 N/A 0.530 mm0.530 in N/A 0.003 in N/A 0.005 in N/A -907 N/A Imperial N/A 7/16
-908 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.087 in N/A 90 N/A 0.644 mm0.644 in N/A 0.003 in N/A 0.009 in N/A -908 N/A Imperial N/A 1/2
-909 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.097 in N/A 90 N/A 0.706 mm0.706 in N/A 0.003 in N/A 0.009 in N/A -909 N/A Imperial N/A 9/16
-910 Fluorosillicone-90 N/A AS568 Standard O-Rings N/A Fluorosillicone N/A 0.097 in N/A 90 N/A 0.755 mm0.755 in N/A 0.003 in N/A 0.009 in N/A -910 N/A Imperial N/A 5/8
Unit of Measure
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