BS EP O-Rings
BS O-Rings
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.
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.
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Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
Call for a Quote |
O-Ring Industries |
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BS356 EP-70 BS356 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183930 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.350 in135.89 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -356 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS355 EP-70 BS355 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183931 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.225 in132.72 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -355 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS354 EP-70 BS354 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183932 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.100 in129.54 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -354 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS353 EP-70 BS353 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183933 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.975 in126.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -353 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS352 EP-70 BS352 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183934 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.850 in123.19 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -352 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS351 EP-70 BS351 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183935 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.725 in120.02 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -351 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS350 EP-70 BS350 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183936 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.600 in116.84 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -350 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS349 EP-70 BS349 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183937 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.475 in113.67 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -349 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS348 EP-70 BS348 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183938 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.350 in110.49 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -348 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS347 EP-70 BS347 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183939 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.225 in107.32 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -347 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS346 EP-70 BS346 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183940 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.100 in104.14 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -346 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS345 EP-70 BS345 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183941 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.975 in100.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -345 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS344 EP-70 BS344 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183942 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.850 in97.79 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -344 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS343 EP-70 BS343 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183943 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.725 in94.62 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -343 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS342 EP-70 BS342 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183944 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.600 in91.44 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -342 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS341 EP-70 BS341 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183945 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.475 in88.27 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -341 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS340 EP-70 BS340 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183946 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.350 in85.09 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -340 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS339 EP-70 BS339 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183947 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.225 in81.92 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -339 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS338 EP-70 BS338 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183948 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.100 in78.74 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -338 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS337 EP-70 BS337 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183949 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.975 in75.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -337 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS336 EP-70 BS336 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183950 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.850 in72.39 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -336 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS335 EP-70 BS335 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183951 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.725 in69.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -335 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS334 EP-70 BS334 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183952 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.600 in66.04 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -334 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS333 EP-70 BS333 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183953 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.475 in62.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -333 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS332 EP-70 BS332 EP-70/Asset/oring21.jpg |
IntegrationID
N/A 183954 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.350 in59.69 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -332 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |