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
183029
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 5.987 in152.07 mm N/A 0.003 in0.08 mm N/A -163 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183044
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 4.237 in107.62 mm N/A 0.003 in0.08 mm N/A -156 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183056
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.862 in72.69 mm N/A 0.003 in0.08 mm N/A -150 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183070
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.425 in61.60 mm N/A 0.003 in0.08 mm N/A -143 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183085
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 1.925 in48.90 mm N/A 0.003 in0.08 mm N/A -135 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183097
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 1.549 in39.34 mm N/A 0.003 in0.08 mm N/A -129 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183111
N/A BS Standard O-Ring N/A Polyurethane 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 defense and agriculture industries.v
N/A
183126
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 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 defense and agriculture industries.v
N/A
183138
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 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 defense and agriculture industries.v
N/A
183152
N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 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 defense and agriculture industries.v
N/A
183167
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 3.489 in88.62 mm N/A 0.003 in0.08 mm N/A -043 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183179
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.489 in63.22 mm N/A 0.003 in0.08 mm N/A -037 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183193
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 1.614 in41.00 mm N/A 0.003 in0.08 mm N/A -030 N/A N/A O-rings are used in the military defense and agriculture industries.v
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
183220
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.676 in17.17 mm N/A 0.003 in0.08 mm N/A -017 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183234
N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 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 defense and agriculture industries.v
N/A
183249
N/A BS Standard O-Ring N/A Polyurethane N/A 0.050 in1.27 mm N/A 70 N/A 0.042 in1.07 mm N/A 0.003 in0.08 mm N/A -002 N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
183261
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 10.725 in272.42 mm N/A 0.006 in0.15 mm N/A -450A N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
182341
N/A BS Standard O-Ring N/A Polyurethane N/A 0.064 in1.63 mm N/A 70 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -903 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182342
N/A BS Standard O-Ring N/A Polyurethane N/A 0.064 in1.63 mm N/A 90 N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -903 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182343
N/A BS Standard O-Ring N/A Polyurethane N/A 0.064 in1.63 mm N/A 70 N/A 0.239 in6.07 mm N/A 0.003 in0.08 mm N/A -902 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182344
N/A BS Standard O-Ring N/A Polyurethane N/A 0.064 in1.63 mm N/A 90 N/A 0.239 in6.07 mm N/A 0.003 in0.08 mm N/A -902 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182345
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 7.875 in200.03 mm N/A 0.006 in0.15 mm N/A -886 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182346
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 7.875 in200.03 mm N/A 0.006 in0.15 mm N/A -886 N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
182348
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 7.625 in193.68 mm N/A 0.006 in0.15 mm N/A -884 N/A N/A O-rings are used in the military defense and agriculture industries.
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