BS Silicone O-Rings
Silicone 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.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). 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 |
---|---|---|---|---|---|---|---|---|---|---|
BS607 S-70 |
IntegrationID
N/A 186129 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.040 in1.02 mm | Durometer N/A 70 | Inside Diameter N/A 0.100 in2.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -607 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS610 S-70 |
IntegrationID
N/A 186128 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 0.266 in6.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -610 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS611 S-70 |
IntegrationID
N/A 186127 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 0.344 in8.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -611 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS613 S-70 |
IntegrationID
N/A 186126 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.391 in9.93 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -613 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS614 S-70 |
IntegrationID
N/A 186125 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.469 in11.91 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -614 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS615 S-70 |
IntegrationID
N/A 186124 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.516 in13.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -615 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS616 S-70 |
IntegrationID
N/A 186123 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.594 in15.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -616 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS617 S-70 |
IntegrationID
N/A 186122 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.703 in17.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -617 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS618 S-70 |
IntegrationID
N/A 186121 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.016 in25.81 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -618 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS619 S-70 |
IntegrationID
N/A 186120 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.938 in74.61 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -619 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS620 S-70 |
IntegrationID
N/A 186119 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.141 in79.78 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -620 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS621 S-70 |
IntegrationID
N/A 186118 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.531 in89.69 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -621 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS622 S-70 |
IntegrationID
N/A 186117 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.937 in100.00 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -622 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS623 S-70 |
IntegrationID
N/A 186116 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.313 in109.54 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -623 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS624 S-70 |
IntegrationID
N/A 186115 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.516 in114.71 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -624 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS625 S-70 |
IntegrationID
N/A 186114 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 4.906 in124.61 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -625 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS626 S-70 |
IntegrationID
N/A 186113 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.297 in134.54 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -626 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS627 S-70 |
IntegrationID
N/A 186112 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.281 in159.54 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -627 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS628 S-70 |
IntegrationID
N/A 186111 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.563 in166.70 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -628 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS640 S-70 |
IntegrationID
N/A 186110 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.924 in74.27 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -640 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS641 S-70 |
IntegrationID
N/A 186109 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.049 in77.44 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -641 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS642 S-70 |
IntegrationID
N/A 186108 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.174 in80.62 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -642 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS643 S-70 |
IntegrationID
N/A 186107 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.299 in83.79 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -643 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS644 S-70 |
IntegrationID
N/A 186106 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.100 in154.94 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -644 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
BS645 S-70 |
IntegrationID
N/A 186105 |
Type N/A BS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 6.35 in161.29 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -645 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |