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
185383
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 7.734 in196.44 mm N/A 0.004 in0.10 mm N/A -265 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185260
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.725 in196.22 mm N/A 0.006 in0.15 mm N/A -444 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185307
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 7.725 in196.22 mm N/A 0.005 in0.13 mm N/A -368 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185770
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 7.725 in196.22 mm N/A 0.005 in0.13 mm N/A -368 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185723
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.725 in196.22 mm N/A 0.006 in0.15 mm N/A -444 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
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
185457
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185920
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185847
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 7.484 in190.09 mm N/A 0.004 in0.10 mm N/A -264 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185384
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 7.484 in190.09 mm N/A 0.004 in0.10 mm N/A -264 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185261
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.475 in189.87 mm N/A 0.006 in0.15 mm N/A -443 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185308
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 7.475 in189.87 mm N/A 0.005 in0.13 mm N/A -367 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185771
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 7.475 in189.87 mm N/A 0.005 in0.13 mm N/A -367 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185724
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.475 in189.87 mm N/A 0.006 in0.15 mm N/A -443 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
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
185458
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185921
N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185848
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 7.234 in183.74 mm N/A 0.004 in0.10 mm N/A -263 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185385
N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 7.234 in183.74 mm N/A 0.004 in0.10 mm N/A -263 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185262
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 7.225 in183.52 mm N/A 0.006 in0.15 mm N/A -442 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185309
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 7.225 in183.52 mm N/A 0.005 in0.13 mm N/A -366 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185772
N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 7.225 in183.52 mm N/A 0.005 in0.13 mm N/A -366 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
185725
N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 7.225 in183.52 mm N/A 0.006 in0.15 mm N/A -442 N/A N/A O-rings are used in the military defense and agriculture industries.
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