• BS O-Rings
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
185478 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 2.737 in69.52 mm N/A 0.003 in0.08 mm N/A -148 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185492 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 1.862 in47.29 mm N/A 0.003 in0.08 mm N/A -134 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185507 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.924 in23.47 mm N/A 0.003 in0.08 mm N/A -119 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185519 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 0.206 in5.23 mm N/A 0.003 in0.08 mm N/A -107 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185533 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 3.239 in82.27 mm N/A 0.003 in0.08 mm N/A -042 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185548 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 1.301 in33.05 mm N/A 0.003 in0.08 mm N/A -027 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185560 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 N/A 0.551 in14.00 mm N/A 0.003 in0.08 mm N/A -015 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185574 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 N/A 8.225 in208.92 mm N/A 0.006 in0.15 mm N/A -445A N/A N/A O-rings are used in the military defense and agriculture industries.v
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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
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185601 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 4.75 in120.65 mm N/A 0.005 in0.13 mm N/A -861 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185615 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 90 N/A 2.187 in55.55 mm N/A 0.004 in0.10 mm N/A -834 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185634 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 0.25 in6.35 mm N/A 0.003 in0.08 mm N/A -803 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185646 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 3.049 in77.44 mm N/A 0.003 in0.08 mm N/A -641 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185660 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 90 N/A 0.594 in15.09 mm N/A 0.003 in0.08 mm N/A -616 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185675 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 5.97 in151.64 mm N/A 0.003 in0.08 mm N/A -555 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185687 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 90 N/A 3.61 in91.69 mm N/A 0.003 in0.08 mm N/A -536 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185701 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 18.455 in468.76 mm N/A 0.006 in0.15 mm N/A -466 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185716 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 10.975 in278.77 mm N/A 0.006 in0.15 mm N/A -451 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185728 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 90 N/A 6.475 in164.47 mm N/A 0.006 in0.15 mm N/A -439 N/A N/A O-rings are used in the military defense and agriculture industries.v
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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
185757 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 11.975 in304.17 mm N/A 0.005 in0.13 mm N/A -381 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185769 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 7.975 in202.57 mm N/A 0.005 in0.13 mm N/A -369 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185783 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 5.225 in132.72 mm N/A 0.005 in0.13 mm N/A -355 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
185802 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 2.850 in72.39 mm N/A 0.005 in0.13 mm N/A -336 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185814 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 90 N/A 1.350 in34.29 mm N/A 0.005 in0.13 mm N/A -324 N/A N/A O-rings are used in the military defense and agriculture industries.v
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