# ISO 4406:2017 — Withdrawn and superseded ISO standards

For ISO 4406:2017, item title is Hydraulic fluid power — Fluids — Method for coding the level of contamination by solid particles; status code is 9599; successor is ISO 4406:2021; withdrawn / published date is 2017-08-08, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4406:2017 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Fluids — Method for coding the level of contamination by solid particles _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4406:2021
- **Withdrawn / published date:** 2017-08-08 _(verified: appears in the quote below)_

## What the source says

> 72618,IS,,ISO 4406:2017,Hydraulic fluid power — Fluids — Method for coding the level of contamination by solid particles,Transmissions hydrauliques — Fluides — Méthode de codification du niveau de pollution particulaire solide,2017-08-08,3,"['75.120','23.100.60']",ISO/TC 131/SC 6,9599,[21463],[79716],['en'],6,<p>ISO 4406:2017 specifies the code to be used in defining the quantity of solid particles in the fluid used in a given hydraulic fluid power system.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).