# ISO 6404:1985 — Withdrawn and superseded ISO standards

For ISO 6404:1985, item title is Hydraulic fluid power — Servovalves — Test methods; status code is 9599; successor is ISO 10770-2:1998 | ISO 10770-1:1998; withdrawn / published date is 1985-12-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6404:1985 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Servovalves — Test methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10770-2:1998 | ISO 10770-1:1998
- **Withdrawn / published date:** 1985-12-18 _(verified: appears in the quote below)_

## What the source says

> 12741,IS,,ISO 6404:1985,Hydraulic fluid power — Servovalves — Test methods,Transmissions hydrauliques — Servodistributeurs — Méthodes d'essai,1985-12-18,1,['23.100.50'],ISO/TC 131/SC 8,9599,,"[22770,1757]","['en','fr']",23,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).