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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
BS157 AFLAS-75 N/A
186858 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 4.49 in113.97 mm N/A 0.003 in0.08 mm N/A -157 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS156 AFLAS-75 N/A
186859 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 4.24 in107.62 mm N/A 0.003 in0.08 mm N/A -156 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS155 AFLAS-75 N/A
186860 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 3.99 in101.27 mm N/A 0.003 in0.08 mm N/A -155 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS154 AFLAS-75 N/A
186861 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 3.74 in94.92 mm N/A 0.003 in0.08 mm N/A -154 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS153 AFLAS-75 N/A
186862 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 3.49 in88.57 mm N/A 0.003 in0.08 mm N/A -153 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS152 AFLAS-75 N/A
186863 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 3.24 in82.22 mm N/A 0.003 in0.08 mm N/A -152 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS151 AFLAS-75 N/A
186864 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.99 in75.87 mm N/A 0.003 in0.08 mm N/A -151 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS150 AFLAS-75 N/A
186865 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.86 in72.69 mm N/A 0.003 in0.08 mm N/A -150 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS149 AFLAS-75 N/A
186866 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.80 in71.12 mm N/A 0.003 in0.08 mm N/A -149 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS148 AFLAS-75 N/A
186867 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.74 in69.52 mm N/A 0.003 in0.08 mm N/A -148 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS147 AFLAS-75 N/A
186868 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.68 in67.95 mm N/A 0.003 in0.08 mm N/A -147 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS146 AFLAS-75 N/A
186869 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.61 in66.34 mm N/A 0.003 in0.08 mm N/A -146 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS145 AFLAS-75 N/A
186870 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.55 in64.77 mm N/A 0.003 in0.08 mm N/A -145 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS144 AFLAS-75 N/A
186871 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.49 in63.17 mm N/A 0.003 in0.08 mm N/A -144 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS143 AFLAS-75 N/A
186872 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.43 in61.60 mm N/A 0.003 in0.08 mm N/A -143 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS142 AFLAS-75 N/A
186873 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.36 in59.99 mm N/A 0.003 in0.08 mm N/A -142 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS141 AFLAS-75 N/A
186874 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.30 in58.42 mm N/A 0.003 in0.08 mm N/A -141 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS140 AFLAS-75 N/A
186875 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.24 in56.82 mm N/A 0.003 in0.08 mm N/A -140 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS139 AFLAS-75 N/A
186876 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.18 in55.25 mm N/A 0.003 in0.08 mm N/A -139 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS138 AFLAS-75 N/A
186877 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.11 in53.64 mm N/A 0.003 in0.08 mm N/A -138 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS137 AFLAS-75 N/A
186878 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 2.05 in52.07 mm N/A 0.003 in0.08 mm N/A -137 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS136 AFLAS-75 N/A
186879 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 1.99 in50.47 mm N/A 0.003 in0.08 mm N/A -136 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS135 AFLAS-75 N/A
186880 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 1.93 in48.90 mm N/A 0.003 in0.08 mm N/A -135 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS134 AFLAS-75 N/A
186881 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 1.86 in47.29 mm N/A 0.003 in0.08 mm N/A -134 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS133 AFLAS-75 N/A
186882 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 1.80 in45.69 mm N/A 0.003 in0.08 mm N/A -133 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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