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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
BS331 C-70 N/A
183492 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 2.225 in56.52 mm N/A 0.005 in0.13 mm N/A -331 N/A N/A O-rings are used in the military defense and agriculture industries.
BS330 C-70 N/A
183493 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 2.100 in53.34 mm N/A 0.005 in0.13 mm N/A -330 N/A N/A O-rings are used in the military defense and agriculture industries.
BS329 C-70 N/A
183494 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.975 in50.17 mm N/A 0.005 in0.13 mm N/A -329 N/A N/A O-rings are used in the military defense and agriculture industries.
BS328 C-70 N/A
183495 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.850 in46.99 mm N/A 0.005 in0.13 mm N/A -328 N/A N/A O-rings are used in the military defense and agriculture industries.
BS327 C-70 N/A
183496 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.725 in43.82 mm N/A 0.005 in0.13 mm N/A -327 N/A N/A O-rings are used in the military defense and agriculture industries.
BS326 C-70 N/A
183497 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.600 in40.64 mm N/A 0.005 in0.13 mm N/A -326 N/A N/A O-rings are used in the military defense and agriculture industries.
BS325 C-70 N/A
183498 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.475 in37.47 mm N/A 0.005 in0.13 mm N/A -325 N/A N/A O-rings are used in the military defense and agriculture industries.
BS324 C-70 N/A
183499 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 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.
BS323 C-70 N/A
183500 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.287 in32.69 mm N/A 0.005 in0.13 mm N/A -323 N/A N/A O-rings are used in the military defense and agriculture industries.
BS322 C-70 N/A
183501 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.225 in31.12 mm N/A 0.005 in0.13 mm N/A -322 N/A N/A O-rings are used in the military defense and agriculture industries.
BS321 C-70 N/A
183502 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.162 in29.51 mm N/A 0.005 in0.13 mm N/A -321 N/A N/A O-rings are used in the military defense and agriculture industries.
BS320 C-70 N/A
183503 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.100 in27.94 mm N/A 0.005 in0.13 mm N/A -320 N/A N/A O-rings are used in the military defense and agriculture industries.
BS319 C-70 N/A
183504 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 1.037 in26.34 mm N/A 0.005 in0.13 mm N/A -319 N/A N/A O-rings are used in the military defense and agriculture industries.v
BS318 C-70 N/A
183505 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.975 in24.77 mm N/A 0.005 in0.13 mm N/A -318 N/A N/A O-rings are used in the military defense and agriculture industries.
BS317 C-70 N/A
183506 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.912 in23.16 mm N/A 0.005 in0.13 mm N/A -317 N/A N/A O-rings are used in the military defense and agriculture industries.
BS316 C-70 N/A
183507 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.850 in21.59 mm N/A 0.005 in0.13 mm N/A -316 N/A N/A O-rings are used in the military defense and agriculture industries.
BS315 C-70 N/A
183508 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.787 in19.99 mm N/A 0.005 in0.13 mm N/A -315 N/A N/A O-rings are used in the military defense and agriculture industries.
BS314 C-70 N/A
183509 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.725 in18.42 mm N/A 0.005 in0.13 mm N/A -314 N/A N/A O-rings are used in the military defense and agriculture industries.
BS313 C-70 N/A
183510 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.662 in16.81 mm N/A 0.005 in0.13 mm N/A -313 N/A N/A O-rings are used in the military defense and agriculture industries.
BS312 C-70 N/A
183511 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.600 in15.24 mm N/A 0.005 in0.13 mm N/A -312 N/A N/A O-rings are used in the military defense and agriculture industries.
BS311 C-70 N/A
183512 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 N/A 0.537 in13.64 mm N/A 0.005 in0.13 mm N/A -311 N/A N/A O-rings are used in the military defense and agriculture industries.
BS310 C-70 N/A
183513 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 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.
BS309 C-70 N/A
183514 		N/A BS Standard O-Ring N/A Neoprene N/A 0.210 in5.33 mm N/A 70 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.
BS281 C-70 N/A
183515 		N/A BS Standard O-Ring N/A Neoprene N/A 0.139 in3.53 mm N/A 70 N/A 14.984 in380.59 mm N/A 0.004 in0.10 mm N/A -281 N/A N/A O-rings are used in the military defense and agriculture industries.
BS280 C-70 N/A
183516 		N/A BS Standard O-Ring N/A Neoprene N/A 0.139 in3.53 mm N/A 70 N/A 13.984 in355.19 mm N/A 0.004 in0.10 mm N/A -280 N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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