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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. Neoprene is also known as Chloroprene.

Neoprene resists fats, oils and petroleum products. Stands up well in sunlight. Low flammability - burns when exposed to flames, but self-extinguishes when flame is removed. Generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

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O-Ring Industries

Quantity
BS806 C-70 N/A
183317 		N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 0.437 in11.10 mm N/A 0.003 in0.08 mm N/A -806 N/A N/A O-rings are used in the military defense and agriculture industries.
BS804 C-70 N/A
183318 		N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 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.
BS803 C-70 N/A
183319 		N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 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.
BS802 C-70 N/A
183320 		N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 0.187 in4.75 mm N/A 0.003 in0.08 mm N/A -802 N/A N/A O-rings are used in the military defense and agriculture industries.
BS801 C-70 N/A
183321 		N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 0.125 in3.18 mm N/A 0.003 in0.08 mm N/A -801 N/A N/A O-rings are used in the military defense and agriculture industries.
BS650 C-70 N/A
183322 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 13.225 in335.92 mm N/A 0.006 in0.15 mm N/A -650 N/A N/A O-rings are used in the military defense and agriculture industries.
BS649 C-70 N/A
183323 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 12.725 in323.22 mm N/A 0.006 in0.15 mm N/A -649 N/A N/A O-rings are used in the military defense and agriculture industries.
BS648 C-70 N/A
183324 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 12.225 in310.52 mm N/A 0.006 in0.15 mm N/A -648 N/A N/A O-rings are used in the military defense and agriculture industries.
BS647 C-70 N/A
183325 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 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.
BS646 C-70 N/A
183326 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 6.600 in167.64 mm N/A 0.005 in0.13 mm N/A -646 N/A N/A O-rings are used in the military defense and agriculture industries.v
BS645 C-70 N/A
183327 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 6.35 in161.29 mm N/A 0.005 in0.13 mm N/A -645 N/A N/A O-rings are used in the military defense and agriculture industries.
BS644 C-70 N/A
183328 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 6.100 in154.94 mm N/A 0.005 in0.13 mm N/A -644 N/A N/A O-rings are used in the military defense and agriculture industries.
BS643 C-70 N/A
183329 		N/A BS Standard O-Ring N/A Neoprene N/A 0.103 in2.62 mm N/A 70 N/A 3.299 in83.79 mm N/A 0.003 in0.08 mm N/A -643 N/A N/A O-rings are used in the military defense and agriculture industries.
BS642 C-70 N/A
183330 		N/A BS Standard O-Ring N/A Neoprene N/A 0.103 in2.62 mm N/A 70 N/A 3.174 in80.62 mm N/A 0.003 in0.08 mm N/A -642 N/A N/A O-rings are used in the military defense and agriculture industries.
BS641 C-70 N/A
183331 		N/A BS Standard O-Ring N/A Neoprene N/A 0.103 in2.62 mm N/A 70 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.
BS640 C-70 N/A
183332 		N/A BS Standard O-Ring N/A Neoprene N/A 0.103 in2.62 mm N/A 70 N/A 2.924 in74.27 mm N/A 0.003 in0.08 mm N/A -640 N/A N/A O-rings are used in the military defense and agriculture industries.
BS628 C-70 N/A
183333 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 6.563 in166.70 mm N/A 0.006 in0.15 mm N/A -628 N/A N/A O-rings are used in the military defense and agriculture industries.
BS627 C-70 N/A
183334 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 6.281 in159.54 mm N/A 0.006 in0.15 mm N/A -627 N/A N/A O-rings are used in the military defense and agriculture industries.
BS626 C-70 N/A
183335 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 5.297 in134.54 mm N/A 0.006 in0.15 mm N/A -626 N/A N/A O-rings are used in the military defense and agriculture industries.
BS625 C-70 N/A
183336 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 4.906 in124.61 mm N/A 0.006 in0.15 mm N/A -625 N/A N/A O-rings are used in the military defense and agriculture industries.
BS624 C-70 N/A
183337 		N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 4.516 in114.71 mm N/A 0.006 in0.15 mm N/A -624 N/A N/A O-rings are used in the military defense and agriculture industries.
BS623 C-70 N/A
183338 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 4.313 in109.54 mm N/A 0.005 in0.13 mm N/A -623 N/A N/A O-rings are used in the military defense and agriculture industries.
BS622 C-70 N/A
183339 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 3.937 in100.00 mm N/A 0.005 in0.13 mm N/A -622 N/A N/A O-rings are used in the military defense and agriculture industries.
BS621 C-70 N/A
183340 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 3.531 in89.69 mm N/A 0.005 in0.13 mm N/A -621 N/A N/A O-rings are used in the military defense and agriculture industries.v
BS620 C-70 N/A
183341 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 3.141 in79.78 mm N/A 0.005 in0.13 mm N/A -620 N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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