BS 4518:1969
Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings
https://doi.org/10.3403/30309204 (published 21/11/1969)
BS 4518:1969 is maintained by . 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]