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
183735
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 7.125 in180.98 mm N/A 0.006 in0.15 mm N/A -880 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184070
N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183997
N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183874
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.975 in177.17 mm N/A 0.006 in0.15 mm N/A -441 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183921
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.975 in177.17 mm N/A 0.005 in0.13 mm N/A -365 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183736
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.875 in174.63 mm N/A 0.006 in0.15 mm N/A -878 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183788
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183816
N/A BS Standard O-Ring N/A EP N/A 0.070 in1.78 mm N/A 70 N/A 6.845 in173.86 mm N/A 0.003 in0.08 mm N/A -562 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184071
N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183998
N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183875
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.725 in170.82 mm N/A 0.006 in0.15 mm N/A -440 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183922
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.725 in170.82 mm N/A 0.005 in0.13 mm N/A -364 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183817
N/A BS Standard O-Ring N/A EP N/A 0.070 in1.78 mm N/A 70 N/A 6.72 in170.69 mm N/A 0.003 in0.08 mm N/A -561 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183818
N/A BS Standard O-Ring N/A EP N/A 0.070 in1.78 mm N/A 70 N/A 6.695 in170.05 mm N/A 0.003 in0.08 mm N/A -560 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183737
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.625 in168.28 mm N/A 0.006 in0.15 mm N/A -876 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183789
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.600 in167.64 mm N/A 0.005 in0.13 mm N/A -646 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183796
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.563 in166.70 mm N/A 0.006 in0.15 mm N/A -628 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
184072
N/A BS Standard O-Ring N/A EP N/A 0.103 in2.62 mm N/A 70 N/A 6.487 in164.77 mm N/A 0.003 in0.08 mm N/A -165 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183999
N/A BS Standard O-Ring N/A EP N/A 0.139 in3.53 mm N/A 70 N/A 6.484 in164.69 mm N/A 0.004 in0.10 mm N/A -260 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183876
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.475 in164.47 mm N/A 0.006 in0.15 mm N/A -439 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183923
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.475 in164.47 mm N/A 0.005 in0.13 mm N/A -363 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183819
N/A BS Standard O-Ring N/A EP N/A 0.070 in1.78 mm N/A 70 N/A 6.470 in164.34 mm N/A 0.003 in0.08 mm N/A -559 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183738
N/A BS Standard O-Ring N/A EP N/A 0.275 in6.99 mm N/A 70 N/A 6.375 in161.93 mm N/A 0.006 in0.15 mm N/A -874 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183790
N/A BS Standard O-Ring N/A EP N/A 0.210 in5.33 mm N/A 70 N/A 6.35 in161.29 mm N/A 0.005 in0.13 mm N/A -645 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
N/A
183820
N/A BS Standard O-Ring N/A EP N/A 0.070 in1.78 mm N/A 70 N/A 6.345 in161.16 mm N/A 0.003 in0.08 mm N/A -558 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
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