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
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
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
185459
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185922
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185849
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185386
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185263
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.975 in177.17 mm N/A 0.006 in0.15 mm N/A -441 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185310
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 6.975 in177.17 mm N/A 0.005 in0.13 mm N/A -365 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185773
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 6.975 in177.17 mm N/A 0.005 in0.13 mm N/A -365 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185726
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.975 in177.17 mm N/A 0.006 in0.15 mm N/A -441 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
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
185177
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185640
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185668
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 6.845 in173.86 mm N/A 0.003 in0.08 mm N/A -562 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185205
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 6.845 in173.86 mm N/A 0.003 in0.08 mm N/A -562 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185460
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185923
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185850
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185387
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185264
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 6.725 in170.82 mm N/A 0.006 in0.15 mm N/A -440 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185311
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 6.725 in170.82 mm N/A 0.005 in0.13 mm N/A -364 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185774
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 6.725 in170.82 mm N/A 0.005 in0.13 mm N/A -364 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185727
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.725 in170.82 mm N/A 0.006 in0.15 mm N/A -440 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185669
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 6.72 in170.69 mm N/A 0.003 in0.08 mm N/A -561 N/A N/A O-rings are used in the military defense and agriculture industries.
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