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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.

This elastomer is a copolymer of Tetrafluoroethylene (TFE) and propylene. Its chemical resistance is excellent across a wide range of aggressive media.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
BS242 AFLAS-83 N/A
187258 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.98 in101.19 mm N/A 0.004 in0.10 mm N/A -242 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS241 AFLAS-83 N/A
187259 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.86 in98.02 mm N/A 0.004 in0.10 mm N/A -241 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS240 AFLAS-83 N/A
187260 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.73 in94.84 mm N/A 0.004 in0.10 mm N/A -240 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS239 AFLAS-83 N/A
187261 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.61 in91.67 mm N/A 0.004 in0.10 mm N/A -239 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS238 AFLAS-83 N/A
187262 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.48 in88.49 mm N/A 0.004 in0.10 mm N/A -238 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS237 AFLAS-83 N/A
187263 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.36 in85.32 mm N/A 0.004 in0.10 mm N/A -237 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS236 AFLAS-83 N/A
187264 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.23 in82.14 mm N/A 0.004 in0.10 mm N/A -236 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS235 AFLAS-83 N/A
187265 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 3.11 in78.97 mm N/A 0.004 in0.10 mm N/A -235 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS234 AFLAS-83 N/A
187266 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.98 in75.79 mm N/A 0.004 in0.10 mm N/A -234 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS233 AFLAS-83 N/A
187267 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.86 in72.62 mm N/A 0.004 in0.10 mm N/A -233 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS232 AFLAS-83 N/A
187268 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.73 in69.44 mm N/A 0.004 in0.10 mm N/A -232 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS231 AFLAS-83 N/A
187269 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.61 in66.27 mm N/A 0.004 in0.10 mm N/A -231 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS230 AFLAS-83 N/A
187270 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.48 in63.09 mm N/A 0.004 in0.10 mm N/A -230 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS229 AFLAS-83 N/A
187271 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.36 in59.92 mm N/A 0.004 in0.10 mm N/A -229 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS228 AFLAS-83 N/A
187272 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.23 in56.74 mm N/A 0.004 in0.10 mm N/A -228 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS227 AFLAS-83 N/A
187273 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 2.11 in53.57 mm N/A 0.004 in0.10 mm N/A -227 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS226 AFLAS-83 N/A
187274 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.98 in50.39 mm N/A 0.004 in0.10 mm N/A -226 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS225 AFLAS-83 N/A
187275 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.86 in47.22 mm N/A 0.004 in0.10 mm N/A -225 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS224 AFLAS-83 N/A
187276 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.73 in44.04 mm N/A 0.004 in0.10 mm N/A -224 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS223 AFLAS-83 N/A
187277 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.61 in40.87 mm N/A 0.004 in0.10 mm N/A -223 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS222 AFLAS-83 N/A
187278 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.48 in37.69 mm N/A 0.004 in0.10 mm N/A -222 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS221 AFLAS-83 N/A
187279 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.42 in36.09 mm N/A 0.004 in0.10 mm N/A -221 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS220 AFLAS-83 N/A
187280 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.36 in34.52 mm N/A 0.004 in0.10 mm N/A -220 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS219 AFLAS-83 N/A
187281 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.30 in32.92 mm N/A 0.004 in0.10 mm N/A -219 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS218 AFLAS-83 N/A
187282 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 83 N/A 1.23 in31.34 mm N/A 0.004 in0.10 mm N/A -218 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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