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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. EP is also known as: Eythylene Propylene, EPR, EPDM, EPT, E.

EP is an elastomer which is characterized by wide range of applications and good chemical resistance. Ethylene propylene compounds have good resistance to detergents, alkalis, mild acids, greases, silicone oils, and alcohols.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 EP-70 N/A
183780 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS804 EP-70 N/A
183781 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS803 EP-70 N/A
183782 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS802 EP-70 N/A
183783 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS801 EP-70 N/A
183784 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS650 EP-70 N/A
183785 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS649 EP-70 N/A
183786 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS648 EP-70 N/A
183787 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS647 EP-70 N/A
183788 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS646 EP-70 N/A
183789 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS645 EP-70 N/A
183790 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS644 EP-70 N/A
183791 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS643 EP-70 N/A
183792 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS642 EP-70 N/A
183793 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS641 EP-70 N/A
183794 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS640 EP-70 N/A
183795 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS628 EP-70 N/A
183796 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS627 EP-70 N/A
183797 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS626 EP-70 N/A
183798 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS625 EP-70 N/A
183799 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS624 EP-70 N/A
183800 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS623 EP-70 N/A
183801 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS622 EP-70 N/A
183802 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS621 EP-70 N/A
183803 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
BS620 EP-70 N/A
183804 		N/A BS Standard O-Ring N/A EP 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, automotive, aerospace and agriculture industries.
Unit of Measure
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