ISO 6624-2:2003
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Internal combustion engines -- Piston rings -- Part 2: Half keystone rings made of cast iron

(Not available in French)

This standard has been revised by: ISO 6624-2:2016


ISO 6624-2:2003 specifies the essential dimensional features of half keystone rings made of cast iron, types HK and HKB, having diameters of from 38 mm up to and including 160 mm, used in reciprocating internal combustion piston engines.


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