# ISO 4033:1979 — Withdrawn and superseded ISO standards

For ISO 4033:1979, item title is Hexagon nuts, style 2 — Product grades A and B; status code is 9599; successor is ISO 4033:1999; withdrawn / published date is 1979-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4033:1979 _(verified: appears in the quote below)_
- **Item title:** Hexagon nuts, style 2 — Product grades A and B _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4033:1999
- **Withdrawn / published date:** 1979-06-01 _(verified: appears in the quote below)_

## What the source says

> 9725,IS,,ISO 4033:1979,"Hexagon nuts, style 2 — Product grades A and B","Écrous hexagonaux, style 2 — Grades A et B",1979-06-01,1,['21.060.20'],ISO/TC 2,9599,,[26383],"['en','fr']",4,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).