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. Polyurethane is also known as urethane, cast urethan and millable urethane.

Polyurethane is also known as urethane, cast urethan and millable urethane. Exceptional tensile strength. Abrasion and low temperature resistance. Typical applications include hydraulic seals, gaskets, diaphragms, hoses, and wheels for skate boards. 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
182956
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 1.484 in37.69 mm N/A 0.004 in0.10 mm N/A -222 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182953
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 1.609 in40.87 mm N/A 0.004 in0.10 mm N/A -223 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182954
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 1.609 in40.87 mm N/A 0.004 in0.10 mm N/A -223 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182951
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 1.734 in44.04 mm N/A 0.004 in0.10 mm N/A -224 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182952
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 1.734 in44.04 mm N/A 0.004 in0.10 mm N/A -224 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182949
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 1.859 in47.22 mm N/A 0.004 in0.10 mm N/A -225 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182950
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 1.859 in47.22 mm N/A 0.004 in0.10 mm N/A -225 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182947
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 1.984 in50.39 mm N/A 0.004 in0.10 mm N/A -226 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
182948
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 1.984 in50.39 mm N/A 0.004 in0.10 mm N/A -226 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182945
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.109 in53.57 mm N/A 0.004 in0.10 mm N/A -227 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182946
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.109 in53.57 mm N/A 0.004 in0.10 mm N/A -227 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182943
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.234 in56.74 mm N/A 0.004 in0.10 mm N/A -228 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182944
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.234 in56.74 mm N/A 0.004 in0.10 mm N/A -228 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182941
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.359 in59.92 mm N/A 0.004 in0.10 mm N/A -229 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182942
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.359 in59.92 mm N/A 0.004 in0.10 mm N/A -229 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
183207
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 1.051 in26.70 mm N/A 0.003 in0.08 mm N/A -023 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
183208
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 1.051 in26.70 mm N/A 0.003 in0.08 mm N/A -023 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
182939
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.484 in63.09 mm N/A 0.004 in0.10 mm N/A -230 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182940
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.484 in63.09 mm N/A 0.004 in0.10 mm N/A -230 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182937
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.609 in66.27 mm N/A 0.004 in0.10 mm N/A -231 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182938
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.609 in66.27 mm N/A 0.004 in0.10 mm N/A -231 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182935
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.734 in69.44 mm N/A 0.004 in0.10 mm N/A -232 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182936
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.734 in69.44 mm N/A 0.004 in0.10 mm N/A -232 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182933
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.859 in72.62 mm N/A 0.004 in0.10 mm N/A -233 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
182934
N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.859 in72.62 mm N/A 0.004 in0.10 mm N/A -233 N/A N/A O-rings are used in the military defense and agriculture industries.
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