scope:

This Standard specifies the shapes, dimensions, appearance, material and other matters for O-rings used for general machinery applications, more specifically, O-rings for dynamic applications (P), O-rings for static applications (G), O-rings for vacuum flanges applications (V), O-ring specifications in ISO 3601-1 are given in Annexes, as ISO O-rings for general industrial applications (Series F) in Annex JA and as ISO O-rings for precision instrument applications (Series S) in Annex JB.

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 3601-1 : 2008 Fluid power systems - a-rings - Part 1 : Inside diameters, cross-sections, tolerances and designation codes (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/lEC Guide 21-1.