# ISO 4161:1999 — Withdrawn and superseded ISO standards

For ISO 4161:1999, item title is Hexagon nuts with flange — Coarse thread; status code is 9599; successor is ISO 4161:2012; withdrawn / published date is 1999-03-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4161:1999 _(verified: appears in the quote below)_
- **Item title:** Hexagon nuts with flange — Coarse thread _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4161:2012
- **Withdrawn / published date:** 1999-03-18 _(verified: appears in the quote below)_

## What the source says

> 9929,IS,,ISO 4161:1999,Hexagon nuts with flange — Coarse thread,Écrous hexagonaux à embase cylindro-tronconique — Filetage à pas gros,1999-03-18,2,['21.060.20'],ISO/TC 2/SC 12,9599,[9928],[61523],"['en','fr']",6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).