Reference Source

ISO 6621-4:2015

For ISO 6621-4:2015, item title is Internal combustion engines — Piston rings — Part 4: General specifications; status code is 9599; successor is ISO 6621-4:2024; withdrawn / published date is 2015-03-18, recorded from its source on 2026-08-05.

Identifier
ISO 6621-4:2015 verified
Item title
Internal combustion engines — Piston rings — Part 4: General specifications verified
Status code
9599 verified
Successor
ISO 6621-4:2024
Withdrawn / published date
2015-03-18 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

59170,IS,,ISO 6621-4:2015,Internal combustion engines — Piston rings — Part 4: General specifications,Moteurs à combustion interne — Segments de piston — Partie 4: Spécifications générales,2015-03-18,3,['43.060.10'],ISO/TC 22/SC 34,9599,[38306],[82621],['en'],28,"<p>ISO 6621-4:2015 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (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 nominal diameter from 30 mm up to and including 200 mm.</p>" 5

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

Source

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