British Standards Document
BS 4518
Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings

https://doi.org/10.3403/00072488U

BS 4518 is maintained by MCE/18/-/3. The current release of this standard is:

BS 4518:1982+A2:2014 Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings

https://doi.org/10.3403/00072488 (published 30/04/1982)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS 4518:1982 [current until 08/09/2014]
BS 4518:1969 [current until 10/07/1974]