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
  Price breaks
Each  
QTY ADD
BS281-N70 387.65 380.59 3.53 281 Nitrile 70 1+ 5+ 10+ 25+ MORE
£2.36 £1.16 £1.01 £0.93 CALL
BS282-N70 412.32 405.26 3.53 282 Nitrile 70 1+ 5+ 10+ 25+ MORE
£2.38 £1.18 £1.03 £0.95 CALL
BS283-N70 437.72 430.66 3.53 283 Nitrile 70 1+ 5+ 10+ 25+ MORE
£2.41 £1.21 £1.06 £0.98 CALL
BS284-N70 463.12 456.06 3.53 284 Nitrile 70 1+ 5+ 10+ 25+ MORE
£2.43 £1.23 £1.08 £1.00 CALL
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