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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
BS842 AFLAS-75 N/A
186533 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.69 in68.25 mm N/A 0.004 in0.10 mm N/A -842 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS841 AFLAS-75 N/A
186534 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.63 in66.68 mm N/A 0.004 in0.10 mm N/A -841 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS840 AFLAS-75 N/A
186535 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.56 in65.1 mm N/A 0.004 in0.10 mm N/A -840 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS839 AFLAS-75 N/A
186536 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.50 in63.50 mm N/A 0.004 in0.10 mm N/A -839 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS838 AFLAS-75 N/A
186537 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.44 in61.90 mm N/A 0.004 in0.10 mm N/A -838 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS837 AFLAS-75 N/A
186538 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.97 in75.33 mm N/A 0.004 in0.10 mm N/A -837 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS836 AFLAS-75 N/A
186539 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.31 in58.74 mm N/A 0.004 in0.10 mm N/A -836 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS835 AFLAS-75 N/A
186540 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.25 in57.15 mm N/A 0.004 in0.10 mm N/A -835 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS834 AFLAS-75 N/A
186541 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.19 in55.55 mm N/A 0.004 in0.10 mm N/A -834 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS833 AFLAS-75 N/A
186542 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.13 in53.98 mm N/A 0.004 in0.10 mm N/A -833 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS832 AFLAS-75 N/A
186543 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.06 in52.39 mm N/A 0.004 in0.10 mm N/A -832 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS831 AFLAS-75 N/A
186544 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.00 in50.80 mm N/A 0.004 in0.10 mm N/A -831 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS830 AFLAS-75 N/A
186545 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.94 in49.20 mm N/A 0.004 in0.10 mm N/A -830 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS829 AFLAS-75 N/A
186546 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.88 in47.63 mm N/A 0.004 in0.10 mm N/A -829 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS828 AFLAS-75 N/A
186547 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.81 in46.04 mm N/A 0.004 in0.10 mm N/A -828 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS827 AFLAS-75 N/A
186548 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.75 in44.45 mm N/A 0.004 in0.10 mm N/A -827 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS826 AFLAS-75 N/A
186549 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.69 in42.85 mm N/A 0.004 in0.10 mm N/A -826 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS825 AFLAS-75 N/A
186550 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.63 in41.28 mm N/A 0.004 in0.10 mm N/A -825 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS824 AFLAS-75 N/A
186551 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.56 in39.70 mm N/A 0.004 in0.10 mm N/A -824 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS814 AFLAS-75 N/A
186552 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.94 in23.80 mm N/A 0.003 in0.08 mm N/A -814 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS813 AFLAS-75 N/A
186553 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.88 in22.23 mm N/A 0.003 in0.08 mm N/A -813 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS812 AFLAS-75 N/A
186554 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.81 in20.62 mm N/A 0.003 in0.08 mm N/A -812 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS810 AFLAS-75 N/A
186555 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.69 in17.45 mm N/A 0.003 in0.08 mm N/A -810 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS809 AFLAS-75 N/A
186556 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.63 in15.88 mm N/A 0.003 in0.08 mm N/A -809 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS807 AFLAS-75 N/A
186557 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.50 in12.70 mm N/A 0.003 in0.08 mm N/A -807 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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