International Organization for Standardization (ISO)
Latest
ISO 6622-2:2013
Scope
This part of ISO 6622 specifies the essential dimensional features of rectangular rings made of steel, types R, B, BA, and M having nominal diameters from 30 mm up to and including 160 mm, used in reciprocating internal combustion piston engines for road vehicles and other applications.
ISO 6622-2:2013 history
2013ISO 6622-2:2013 Internal combustion engines.Piston rings.Part 2: Rectangular rings made of steel
2003ISO 6622-2:2003 Internal combustion engines - Piston rings - Part 2: Rectangular rings made of steel