BS201 to BS284

BS201 to BS284

Imperial / Inch sizes of Nitrile (NBR, Buna N) O-rings.  These sizes are usually looked up by a size code e.g. BS205 or AS205.  The size codes are as follows:

Size code O-ring cross section
-201 to -284 3.53


​Remember to check media compatibility using our Chemical Compatibility Guide.

More information:
O-ring material data sheet - Nitrile 70
O-ring Housing dimensions
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Article No. OD ID CS Ref. Material
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QTY ADD
BS201-N70 11.4 4.34 3.53 201 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS202-N70 13 5.94 3.53 202 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS203-N70 14.58 7.52 3.53 203 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS204-N70 16.18 9.12 3.53 204 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS205-N70 17.75 10.69 3.53 205 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS206-N70 19.35 12.29 3.53 206 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS207-N70 20.93 13.87 3.53 207 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS208-N70 22.53 15.47 3.53 208 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS209-N70 24.1 17.04 3.53 209 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ 1000+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 £0.02 CALL
BS210-N70 25.7 18.64 3.53 210 Nitrile 70 10+ 25+ 50+ 100+ 250+ 500+ MORE
£0.16 £0.08 £0.07 £0.05 £0.04 £0.03 CALL
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