Reference Source

ISO 6624-4:2003

For ISO 6624-4:2003, item title is Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel; status code is 9599; successor is ISO 6624-4:2016; withdrawn / published date is 2003-10-01, recorded from its source on 2026-08-05.

Identifier
ISO 6624-4:2003 verified
Item title
Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel verified
Status code
9599 verified
Successor
ISO 6624-4:2016
Withdrawn / published date
2003-10-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

27930,IS,,ISO 6624-4:2003,Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel,Moteurs à combustion interne — Segments de piston — Partie 4: Segments semi-trapézoïdaux en acier,2003-10-01,1,['43.060.10'],ISO/TC 22/SC 34,9599,,[59243],['en'],18,"<p>ISO 6624-4:2003 specifies the essential dimensional features of half keystone rings made of steel, types HK and HKB, having diameters of from 38 mm up to and including 160 mm, used in reciprocating internal combustion piston engines.</p>"

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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