Reference Source

ISO 6621-4:2003

For ISO 6621-4:2003, item title is Internal combustion engines — Piston rings — Part 4: General specifications; status code is 9599; successor is ISO 6621-4:2015; withdrawn / published date is 2003-10-14, recorded from its source on 2026-08-05.

Identifier
ISO 6621-4:2003 verified
Item title
Internal combustion engines — Piston rings — Part 4: General specifications verified
Status code
9599 verified
Successor
ISO 6621-4:2015
Withdrawn / published date
2003-10-14 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

38306,IS,,ISO 6621-4:2003,Internal combustion engines — Piston rings — Part 4: General specifications,Moteurs à combustion interne — Segments de piston — Partie 4: Spécifications générales,2003-10-14,2,['43.060.10'],ISO/TC 22,9599,[13036],[59170],['en'],28,"<p>ISO 6621-4:2003 specifies the general characteristics of piston rings for both reciprocating internal combustion engines and compressors (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation and marking. It is applicable to all such rings of a diameter greater than or equal to 200 mm.</p>"

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

Source

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