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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
BS381 EP-70 N/A
183905 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 11.975 in304.17 mm N/A 0.005 in0.13 mm N/A -381 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS380 EP-70 N/A
183906 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 11.475 in291.47 mm N/A 0.005 in0.13 mm N/A -380 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS379 EP-70 N/A
183907 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 10.975 in278.77 mm N/A 0.005 in0.13 mm N/A -379 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS378 EP-70 N/A
183908 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 10.475 in266.07 mm N/A 0.005 in0.13 mm N/A -378 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS377 EP-70 N/A
183909 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 9.975 in253.37 mm N/A 0.005 in0.13 mm N/A -377 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS376 EP-70 N/A
183910 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 9.725 in247.02 mm N/A 0.005 in0.13 mm N/A -376 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS375 EP-70 N/A
183911 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 9.475 in240.67 mm N/A 0.005 in0.13 mm N/A -375 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS374 EP-70 N/A
183912 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 9.225 in234.32 mm N/A 0.005 in0.13 mm N/A -374 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS373 EP-70 N/A
183913 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 8.975 in227.97 mm N/A 0.005 in0.13 mm N/A -373 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS372 EP-70 N/A
183914 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 8.725 in221.62 mm N/A 0.005 in0.13 mm N/A -372 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS371 EP-70 N/A
183915 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 8.475 in215.27 mm N/A 0.005 in0.13 mm N/A -371 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS370 EP-70 N/A
183916 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 8.225 in208.92 mm N/A 0.005 in0.13 mm N/A -370 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS369 EP-70 N/A
183917 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 7.975 in202.57 mm N/A 0.005 in0.13 mm N/A -369 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS368 EP-70 N/A
183918 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 7.725 in196.22 mm N/A 0.005 in0.13 mm N/A -368 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS367 EP-70 N/A
183919 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 7.475 in189.87 mm N/A 0.005 in0.13 mm N/A -367 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS366 EP-70 N/A
183920 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 7.225 in183.52 mm N/A 0.005 in0.13 mm N/A -366 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS365 EP-70 N/A
183921 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.975 in177.17 mm N/A 0.005 in0.13 mm N/A -365 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS364 EP-70 N/A
183922 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.725 in170.82 mm N/A 0.005 in0.13 mm N/A -364 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS363 EP-70 N/A
183923 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.475 in164.47 mm N/A 0.005 in0.13 mm N/A -363 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS362 EP-70 N/A
183924 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.225 in158.12 mm N/A 0.005 in0.13 mm N/A -362 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS361 EP-70 N/A
183925 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.975 in151.77 mm N/A 0.005 in0.13 mm N/A -361 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS360 EP-70 N/A
183926 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.850 in148.59 mm N/A 0.005 in0.13 mm N/A -360 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS359 EP-70 N/A
183927 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.725 in145.42 mm N/A 0.005 in0.13 mm N/A -359 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS358 EP-70 N/A
183928 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.600 in142.24 mm N/A 0.005 in0.13 mm N/A -358 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
BS357 EP-70 N/A
183929 		N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 5.475 in139.07 mm N/A 0.005 in0.13 mm N/A -357 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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