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
185908
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 0.296 in7.52 mm N/A 0.004 in0.10 mm N/A -203 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185445
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 0.296 in7.52 mm N/A 0.004 in0.10 mm N/A -203 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185517
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.299 in7.59 mm N/A 0.003 in0.08 mm N/A -109 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185980
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 0.299 in7.59 mm N/A 0.003 in0.08 mm N/A -109 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
186027
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -011 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185564
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -011 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185582
N/A BS Standard O-Ring N/A Viton N/A 0.064 in1.63 mm N/A 90 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -903 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185119
N/A BS Standard O-Ring N/A Viton N/A 0.064 in1.63 mm N/A 75 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -903 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185170
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 0.313 in7.94 mm N/A 0.003 in0.08 mm N/A -804 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185633
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 0.313 in7.94 mm N/A 0.003 in0.08 mm N/A -804 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185664
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 0.344 in8.74 mm N/A 0.003 in0.08 mm N/A -611 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185201
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 0.344 in8.74 mm N/A 0.003 in0.08 mm N/A -611 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185444
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 0.359 in9.12 mm N/A 0.004 in0.10 mm N/A -204 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185907
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 0.359 in9.12 mm N/A 0.004 in0.10 mm N/A -204 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185979
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 0.362 in9.19 mm N/A 0.003 in0.08 mm N/A -110 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185516
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.362 in9.19 mm N/A 0.003 in0.08 mm N/A -110 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185563
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 0.364 in9.25 mm N/A 0.003 in0.08 mm N/A -012 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
186026
N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 0.364 in9.25 mm N/A 0.003 in0.08 mm N/A -012 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185663
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 0.391 in9.93 mm N/A 0.003 in0.08 mm N/A -613 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185200
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.391 in9.93 mm N/A 0.003 in0.08 mm N/A -613 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185366
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 0.412 in10.46 mm N/A 0.005 in0.13 mm N/A -309 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185829
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 0.412 in10.46 mm N/A 0.005 in0.13 mm N/A -309 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185906
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 0.421 in10.69 mm N/A 0.004 in0.10 mm N/A -205 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185443
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 0.421 in10.69 mm N/A 0.004 in0.10 mm N/A -205 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185515
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.424 in10.77 mm N/A 0.003 in0.08 mm N/A -111 N/A N/A O-rings are used in the military defense and agriculture industries.
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