• 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.
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O-Ring Industries

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N/A
183985 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 9.984 in253.59 mm N/A 0.004 in0.10 mm N/A -274 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183866 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 9.975 in253.37 mm N/A 0.006 in0.15 mm N/A -449 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184059 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 9.737 in247.32 mm N/A 0.003 in0.08 mm N/A -178 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183986 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 9.734 in247.24 mm N/A 0.004 in0.10 mm N/A -273 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184188 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 9.725 in247.02 mm N/A 0.006 in0.15 mm N/A -448A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184060 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 9.487 in240.97 mm N/A 0.003 in0.08 mm N/A -177 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183987 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 9.484 in240.89 mm N/A 0.004 in0.10 mm N/A -272 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183867 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 9.475 in240.67 mm N/A 0.006 in0.15 mm N/A -448 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184061 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 9.237 in234.62 mm N/A 0.003 in0.08 mm N/A -176 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183988 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 9.234 in234.54 mm N/A 0.004 in0.10 mm N/A -271 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184187 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 9.225 in234.32 mm N/A 0.006 in0.15 mm N/A -447A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184062 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 8.987 in228.27 mm N/A 0.003 in0.08 mm N/A -175 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183989 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 8.984 in228.19 mm N/A 0.004 in0.10 mm N/A -270 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183868 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 8.975 in227.97 mm N/A 0.006 in0.15 mm N/A -447 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184063 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 8.737 in221.92 mm N/A 0.003 in0.08 mm N/A -174 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183990 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 8.734 in221.84 mm N/A 0.004 in0.10 mm N/A -269 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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.
N/A
184186 		N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 8.725 in221.62 mm N/A 0.006 in0.15 mm N/A -446A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184064 		N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 8.487 in215.57 mm N/A 0.003 in0.08 mm N/A -173 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183991 		N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 8.484 in215.49 mm N/A 0.004 in0.10 mm N/A -268 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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