# ISO 4406:1987 — Withdrawn and superseded ISO standards

For ISO 4406:1987, item title is Hydraulic fluid power — Fluids — Method for coding level of contamination by solid particles; status code is 9599; successor is ISO 4406:1999; withdrawn / published date is 1987-11-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4406:1987 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Fluids — Method for coding level of contamination by solid particles _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4406:1999
- **Withdrawn / published date:** 1987-11-26 _(verified: appears in the quote below)_

## What the source says

> 10311,IS,,ISO 4406:1987,Hydraulic fluid power — Fluids — Method for coding level of contamination by solid particles,Transmissions hydrauliques — Fluides — Méthode de codification du niveau de pollution par particules solides,1987-11-26,1,"['75.120','23.100.60']",ISO/TC 131/SC 8,9599,,[21463],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).