# ISO 2320:1997 — Withdrawn and superseded ISO standards

For ISO 2320:1997, item title is Prevailing torque type steel hexagon nuts — Mechanical and performance properties; status code is 9599; successor is ISO 2320:2008; withdrawn / published date is 1997-10-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2320:1997 _(verified: appears in the quote below)_
- **Item title:** Prevailing torque type steel hexagon nuts — Mechanical and performance properties _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2320:2008
- **Withdrawn / published date:** 1997-10-30 _(verified: appears in the quote below)_

## What the source says

> 7150,IS,,ISO 2320:1997,Prevailing torque type steel hexagon nuts — Mechanical and performance properties,Écrous hexagonaux autofreinés en acier — Caractéristiques mécaniques et performances,1997-10-30,3,['21.060.20'],ISO/TC 2,9599,[7149],[42184],"['en','fr']",20,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).