BS EP O-Rings
EP 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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BS561 EP-70 |
IntegrationID
N/A 183817 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.72 in170.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -561 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS440 EP-70 |
IntegrationID
N/A 183875 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -440 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS364 EP-70 |
IntegrationID
N/A 183922 |
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 6.725 in170.82 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -364 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS261 EP-70 |
IntegrationID
N/A 183998 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.734 in171.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -261 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS166 EP-70 |
IntegrationID
N/A 184071 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 6.737 in171.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -166 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS562 EP-70 |
IntegrationID
N/A 183816 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.845 in173.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -562 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS647 EP-70 |
IntegrationID
N/A 183788 |
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 6.85 in173.99 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -647 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS878 EP-70 |
IntegrationID
N/A 183736 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.875 in174.63 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -878 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS441 EP-70 |
IntegrationID
N/A 183874 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -441 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS365 EP-70 |
IntegrationID
N/A 183921 |
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 6.975 in177.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -365 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS262 EP-70 |
IntegrationID
N/A 183997 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.984 in177.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -262 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS167 EP-70 |
IntegrationID
N/A 184070 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 6.987 in177.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -167 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS880 EP-70 |
IntegrationID
N/A 183735 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.125 in180.98 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -880 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS442 EP-70 |
IntegrationID
N/A 183873 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -442 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS366 EP-70 |
IntegrationID
N/A 183920 |
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 7.225 in183.52 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -366 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS263 EP-70 |
IntegrationID
N/A 183996 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.234 in183.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -263 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS168 EP-70 |
IntegrationID
N/A 184069 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 7.237 in183.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -168 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS882 EP-70 |
IntegrationID
N/A 183734 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.375 in187.33 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -882 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS443 EP-70 |
IntegrationID
N/A 183872 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -443 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS367 EP-70 |
IntegrationID
N/A 183919 |
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 7.475 in189.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -367 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS264 EP-70 |
IntegrationID
N/A 183995 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.484 in190.09 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -264 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS169 EP-70 |
IntegrationID
N/A 184068 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 7.487 in190.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -169 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS884 EP-70 |
IntegrationID
N/A 183733 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.625 in193.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -884 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS444 EP-70 |
IntegrationID
N/A 183871 |
Type N/A BS Standard O-Ring | Material N/A EP | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -444 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS368 EP-70 |
IntegrationID
N/A 183918 |
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 7.725 in196.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -368 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |