• 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
185130 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 5.75 in146.05 mm N/A 0.005 in0.13 mm N/A -869 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185142 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 2.813 in71.44 mm N/A 0.004 in0.10 mm N/A -844 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185156 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 1.937 in49.20 mm N/A 0.004 in0.10 mm N/A -830 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185171 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 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
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185183 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 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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185197 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 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
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185212 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 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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185224 		N/A BS Standard O-Ring N/A Viton N/A 0.070 in1.78 mm N/A 75 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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185238 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 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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185253 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 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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185265 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 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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185279 		N/A BS Standard O-Ring N/A Viton N/A 0.275 in6.99 mm N/A 75 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
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185298 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 9.975 in253.37 mm N/A 0.005 in0.13 mm N/A -377 N/A N/A O-rings are used in the military defense and agriculture industries.v
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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
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185324 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 4.725 in120.02 mm N/A 0.005 in0.13 mm N/A -351 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185339 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 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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185351 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 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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185365 		N/A BS Standard O-Ring N/A Viton N/A 0.210 in5.33 mm N/A 75 N/A 0.475 in12.07 mm N/A 0.005 in0.13 mm N/A -310 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185380 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 8.484 in215.49 mm N/A 0.004 in0.10 mm N/A -268 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185392 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 5.734 in145.64 mm N/A 0.004 in0.10 mm N/A -256 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185406 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 3.984 in101.19 mm N/A 0.004 in0.10 mm N/A -242 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185421 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 2.109 in53.57 mm N/A 0.004 in0.10 mm N/A -227 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185433 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 1.046 in26.57 mm N/A 0.004 in0.10 mm N/A -215 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185447 		N/A BS Standard O-Ring N/A Viton N/A 0.139 in3.53 mm N/A 75 N/A 0.171 in4.34 mm N/A 0.004 in0.10 mm N/A -201 N/A N/A O-rings are used in the military defense and agriculture industries.v
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185466 		N/A BS Standard O-Ring N/A Viton N/A 0.103 in2.62 mm N/A 75 N/A 5.237 in133.02 mm N/A 0.003 in0.08 mm N/A -160 N/A N/A O-rings are used in the military defense and agriculture industries.v
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