British Standard O-Rings are very similar to Standard O-Rings in the fact that they are both standardized imperically. The British Standard however, incorporates some extended sizes in the 1/4" nominal cross section group for an even broader application range. British Standard O-Rings serve a variety of industries including aerospace, paint, food, and chemical transport. Viton is also known as: Fluorocarbon and FKM. Viton® is a registered trademarks of DuPont® Dow Elastomers.

A fluoroelastomer compound with a combination of exceptional mechanical properties and compression set resistance. This particular energizer gives an O-ring excellent memory and the ability to recover rapidly from deformation. This core has a Shore A hardness of 75 with a suggested operating temperature range of -10°F to +300°F (-23°C to +150°C) in encapsulated applications. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
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O-Ring Industries

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N/A
185741
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 4.600 in116.84 mm N/A 0.006 in0.15 mm N/A -426 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185742
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 4.475 in113.67 mm N/A 0.006 in0.15 mm N/A -425 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185121
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.875 in200.03 mm N/A 0.006 in0.15 mm N/A -886 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185122
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.625 in193.68 mm N/A 0.006 in0.15 mm N/A -884 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185123
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.375 in187.33 mm N/A 0.006 in0.15 mm N/A -882 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185124
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.125 in180.98 mm N/A 0.006 in0.15 mm N/A -880 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185125
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.875 in174.63 mm N/A 0.006 in0.15 mm N/A -878 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185126
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.625 in168.28 mm N/A 0.006 in0.15 mm N/A -876 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185127
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.375 in161.93 mm N/A 0.006 in0.15 mm N/A -874 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185128
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.125 in155.58 mm N/A 0.006 in0.15 mm N/A -872 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185185
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.563 in166.70 mm N/A 0.006 in0.15 mm N/A -628 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185186
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.281 in159.54 mm N/A 0.006 in0.15 mm N/A -627 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185187
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 5.297 in134.54 mm N/A 0.006 in0.15 mm N/A -626 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185188
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 4.906 in124.61 mm N/A 0.006 in0.15 mm N/A -625 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185189
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 4.516 in114.71 mm N/A 0.006 in0.15 mm N/A -624 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185584
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.875 in200.03 mm N/A 0.006 in0.15 mm N/A -886 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185585
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.625 in193.68 mm N/A 0.006 in0.15 mm N/A -884 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185586
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.375 in187.33 mm N/A 0.006 in0.15 mm N/A -882 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185587
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.125 in180.98 mm N/A 0.006 in0.15 mm N/A -880 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185588
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.875 in174.63 mm N/A 0.006 in0.15 mm N/A -878 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185589
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.625 in168.28 mm N/A 0.006 in0.15 mm N/A -876 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185590
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.375 in161.93 mm N/A 0.006 in0.15 mm N/A -874 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185591
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.125 in155.58 mm N/A 0.006 in0.15 mm N/A -872 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185174
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 13.225 in335.92 mm N/A 0.006 in0.15 mm N/A -650 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185175
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 12.725 in323.22 mm N/A 0.006 in0.15 mm N/A -649 N/A N/A O-rings are used in the military defense and agriculture industries.
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