Historical
ISO 3601-1:2002
Fluid power systems - O-rings - Part 1: Inside diameters, cross-sections, tolerances and size identification code
ISO 3601-1 specifies the inside diameters, cross-sections, tolerances and size identification code for O-rings used in fluid power systems for general purpose applications (series G), as well as for aerospace and similar applications (series A).
The dimensions and tolerances specified in ISO 3601-1 are suitable for any elastomeric material, provided that suitable tooling is available.
International Organization for Standardization [iso]