• 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.

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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O-Ring Industries

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N/A
186491 		N/A BS Standard O-Ring N/A Silicone N/A 0.070 in1.78 mm N/A 70 N/A 0.239 in6.07 mm N/A 0.003 in0.08 mm N/A -010 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186450 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.049 in1.24 mm N/A 0.003 in0.08 mm N/A -102 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186449 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.081 in2.06 mm N/A 0.003 in0.08 mm N/A -103 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186448 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.112 in2.84 mm N/A 0.003 in0.08 mm N/A -104 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186447 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.143 in3.63 mm N/A 0.003 in0.08 mm N/A -105 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186446 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.175 in4.45 mm N/A 0.003 in0.08 mm N/A -106 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186445 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.206 in5.23 mm N/A 0.003 in0.08 mm N/A -107 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186444 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.237 in6.02 mm N/A 0.003 in0.08 mm N/A -108 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186443 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.299 in7.59 mm N/A 0.003 in0.08 mm N/A -109 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186490 		N/A BS Standard O-Ring N/A Silicone N/A 0.070 in1.78 mm N/A 70 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -011 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186442 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.362 in9.19 mm N/A 0.003 in0.08 mm N/A -110 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186441 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.424 in10.77 mm N/A 0.003 in0.08 mm N/A -111 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186440 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.487 in12.37 mm N/A 0.003 in0.08 mm N/A -112 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186439 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.549 in13.94 mm N/A 0.003 in0.08 mm N/A -113 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186438 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.612 in15.54 mm N/A 0.003 in0.08 mm N/A -114 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186437 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.674 in17.12 mm N/A 0.003 in0.08 mm N/A -115 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186436 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.737 in18.72 mm N/A 0.003 in0.08 mm N/A -116 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186435 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.799 in20.29 mm N/A 0.003 in0.08 mm N/A -117 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186434 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.862 in21.89 mm N/A 0.003 in0.08 mm N/A -118 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186433 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.924 in23.47 mm N/A 0.003 in0.08 mm N/A -119 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186489 		N/A BS Standard O-Ring N/A Silicone N/A 0.070 in1.78 mm N/A 70 N/A 0.364 in9.25 mm N/A 0.003 in0.08 mm N/A -012 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186432 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 0.987 in25.07 mm N/A 0.003 in0.08 mm N/A -120 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186431 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 1.049 in26.64 mm N/A 0.003 in0.08 mm N/A -121 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186430 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 1.112 in28.24 mm N/A 0.003 in0.08 mm N/A -122 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
186429 		N/A BS Standard O-Ring N/A Silicone N/A 0.103 in2.62 mm N/A 70 N/A 1.174 in29.82 mm N/A 0.003 in0.08 mm N/A -123 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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