# ISO 8821:1989 — Withdrawn and superseded ISO standards

For ISO 8821:1989, item title is Mechanical vibration — Balancing — Shaft and fitment key convention; status code is 9599; successor is ISO 21940-32:2012; withdrawn / published date is 1989-05-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8821:1989 _(verified: appears in the quote below)_
- **Item title:** Mechanical vibration — Balancing — Shaft and fitment key convention _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21940-32:2012
- **Withdrawn / published date:** 1989-05-18 _(verified: appears in the quote below)_

## What the source says

> 16273,IS,,ISO 8821:1989,Mechanical vibration — Balancing — Shaft and fitment key convention,Vibrations mécaniques — Équilibrage — Convention relative aux clavettes d'arbres et aux éléments rapportés,1989-05-18,1,['21.120.40'],ISO/TC 108/SC 2,9599,,[56564],"['en','fr']",12,<p>Is intended to provide compatibility of all balanced components so that when they are assembled they will meet the overall balance and/or vibration tolerance levels for that assembly.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).