# ISO 4161:1983 — Withdrawn and superseded ISO standards For ISO 4161:1983, item title is Hexagon nuts with flange — Product grade A; status code is 9599; successor is ISO 4161:1999; withdrawn / published date is 1983-10-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4161:1983 _(verified: appears in the quote below)_ - **Item title:** Hexagon nuts with flange — Product grade A _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4161:1999 - **Withdrawn / published date:** 1983-10-01 _(verified: appears in the quote below)_ ## What the source says > 9928,IS,,ISO 4161:1983,Hexagon nuts with flange — Product grade A,Écrous hexagonaux à embase cylindro-tronconique — Grade A,1983-10-01,1,['21.060.20'],ISO/TC 2,9599,,[9929],"['en','fr']",3, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).