# ISO 6623:2004 — Withdrawn and superseded ISO standards

For ISO 6623:2004, item title is Internal combustion engines — Piston rings — Scraper rings made of cast iron; status code is 9599; successor is ISO 6623:2013; withdrawn / published date is 2004-01-22, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6623:2004 _(verified: appears in the quote below)_
- **Item title:** Internal combustion engines — Piston rings — Scraper rings made of cast iron _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6623:2013
- **Withdrawn / published date:** 2004-01-22 _(verified: appears in the quote below)_

## What the source says

> 38432,IS,,ISO 6623:2004,Internal combustion engines — Piston rings — Scraper rings made of cast iron,Moteurs à combustion interne — Segments de piston — Segments racleurs mixtes en fonte moulée,2004-01-22,2,['43.060.10'],ISO/TC 22,9599,[13040],[57114],['en'],28,"<p>ISO 6623:2004 specifies the essential dimensional features of scraper rings made of cast iron, types N, NM, E and EM, having diameters of from 30 mm up to and including 200 mm, used in reciprocating internal combustion engines. It is also applicable to piston rings of compressors working under similar conditions.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).