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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. Neoprene is also known as Chloroprene.

Neoprene resists fats, oils and petroleum products. Stands up well in sunlight. Low flammability - burns when exposed to flames, but self-extinguishes when flame is removed. Generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

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O-Ring Industries

Quantity
BS546 C-70 N/A
183367
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 4.86 in123.44 mm N/A 0.003 in0.08 mm N/A -546 N/A N/A O-rings are used in the military defense and agriculture industries.v
BS544 C-70 N/A
183368
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 4.61 in117.09 mm N/A 0.003 in0.08 mm N/A -544 N/A N/A O-rings are used in the military defense and agriculture industries.
BS542 C-70 N/A
183369
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 4.36 in110.74 mm N/A 0.003 in0.08 mm N/A -542 N/A N/A O-rings are used in the military defense and agriculture industries.
BS540 C-70 N/A
183370
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 4.110 in104.39 mm N/A 0.003 in0.08 mm N/A -540 N/A N/A O-rings are used in the military defense and agriculture industries.
BS538 C-70 N/A
183371
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 3.86 in98.04 mm N/A 0.003 in0.08 mm N/A -538 N/A N/A O-rings are used in the military defense and agriculture industries.
BS536 C-70 N/A
183372
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 3.61 in91.69 mm N/A 0.003 in0.08 mm N/A -536 N/A N/A O-rings are used in the military defense and agriculture industries.
BS534 C-70 N/A
183373
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 3.36 in85.34 mm N/A 0.003 in0.08 mm N/A -534 N/A N/A O-rings are used in the military defense and agriculture industries.
BS532 C-70 N/A
183374
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 3.11 in78.99 mm N/A 0.003 in0.08 mm N/A -532 N/A N/A O-rings are used in the military defense and agriculture industries.
BS519 C-70 N/A
183375
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 1.553 in39.45 mm N/A 0.003 in0.08 mm N/A -519 N/A N/A O-rings are used in the military defense and agriculture industries.
BS517 C-70 N/A
183376
N/A BS Standard O-Ring N/A Neoprene N/A 0.070 in1.78 mm N/A 70 N/A 1.428 in36.27 mm N/A 0.003 in0.08 mm N/A -517 N/A N/A O-rings are used in the military defense and agriculture industries.
BS475 C-70 N/A
183377
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 25.9401 in658.88 mm N/A 0.006 in0.15 mm N/A -475 N/A N/A O-rings are used in the military defense and agriculture industries.
BS474 C-70 N/A
183378
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 24.940 in633.48 mm N/A 0.006 in0.15 mm N/A -474 N/A N/A O-rings are used in the military defense and agriculture industries.
BS473 C-70 N/A
183379
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 23.940 in608.08 mm N/A 0.006 in0.15 mm N/A -473 N/A N/A O-rings are used in the military defense and agriculture industries.
BS472 C-70 N/A
183380
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 22.940 in582.68 mm N/A 0.006 in0.15 mm N/A -472 N/A N/A O-rings are used in the military defense and agriculture industries.
BS471 C-70 N/A
183381
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 21.955 in557.66 mm N/A 0.006 in0.15 mm N/A -471 N/A N/A O-rings are used in the military defense and agriculture industries.v
BS470 C-70 N/A
183382
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 20.955 in532.26 mm N/A 0.006 in0.15 mm N/A -470 N/A N/A O-rings are used in the military defense and agriculture industries.
BS469 C-70 N/A
183383
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 19.955 in506.86 mm N/A 0.006 in0.15 mm N/A -469 N/A N/A O-rings are used in the military defense and agriculture industries.
BS468 C-70 N/A
183384
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 19.455 in494.16 mm N/A 0.006 in0.15 mm N/A -468 N/A N/A O-rings are used in the military defense and agriculture industries.
BS467 C-70 N/A
183385
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 18.955 in481.46 mm N/A 0.006 in0.15 mm N/A -467 N/A N/A O-rings are used in the military defense and agriculture industries.
BS466 C-70 N/A
183386
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 18.455 in468.76 mm N/A 0.006 in0.15 mm N/A -466 N/A N/A O-rings are used in the military defense and agriculture industries.
BS465 C-70 N/A
183387
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 17.955 in456.06 mm N/A 0.006 in0.15 mm N/A -465 N/A N/A O-rings are used in the military defense and agriculture industries.
BS464 C-70 N/A
183388
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 17.455 in443.36 mm N/A 0.006 in0.15 mm N/A -464 N/A N/A O-rings are used in the military defense and agriculture industries.
BS463 C-70 N/A
183389
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 16.9551 in430.66 mm N/A 0.006 in0.15 mm N/A -463 N/A N/A O-rings are used in the military defense and agriculture industries.
BS462 C-70 N/A
183390
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 16.455 in417.96 mm N/A 0.006 in0.15 mm N/A -462 N/A N/A O-rings are used in the military defense and agriculture industries.
BS461 C-70 N/A
183391
N/A BS Standard O-Ring N/A Neoprene N/A 0.275 in6.99 mm N/A 70 N/A 15.9551 in405.26 mm N/A 0.006 in0.15 mm N/A -461 N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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