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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Cross Section Width (in)

Cross Section Width (mm)

Durometer

Inside Diameter (in)

Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

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
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
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
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
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
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
182347
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 7.625 in193.68 mm N/A 0.006 in0.15 mm N/A -884
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
182349
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 7.375 in187.33 mm N/A 0.006 in0.15 mm N/A -882
N/A
182350
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 7.375 in187.33 mm N/A 0.006 in0.15 mm N/A -882
N/A
182351
N/A BS Standard O-Ring N/A Polyurethane 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
182352
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 7.125 in180.98 mm N/A 0.006 in0.15 mm N/A -880
N/A
182353
N/A BS Standard O-Ring N/A Polyurethane 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
182354
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 6.875 in174.63 mm N/A 0.006 in0.15 mm N/A -878
N/A
182355
N/A BS Standard O-Ring N/A Polyurethane 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
182356
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 6.625 in168.28 mm N/A 0.006 in0.15 mm N/A -876
N/A
182357
N/A BS Standard O-Ring N/A Polyurethane 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
182358
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 6.375 in161.93 mm N/A 0.006 in0.15 mm N/A -874
N/A
182359
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 6.125 in155.58 mm N/A 0.006 in0.15 mm N/A -872
N/A
182360
N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 6.125 in155.58 mm N/A 0.006 in0.15 mm N/A -872
N/A
182361
N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.875 in149.23 mm N/A 0.005 in0.13 mm N/A -870
N/A
182362
N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.875 in149.23 mm N/A 0.005 in0.13 mm N/A -870
N/A
182363
N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.75 in146.05 mm N/A 0.005 in0.13 mm N/A -869
N/A
182364
N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.75 in146.05 mm N/A 0.005 in0.13 mm N/A -869
N/A
182365
N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.625 in142.88 mm N/A 0.005 in0.13 mm N/A -868
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