# ISO 4401:1980 — Withdrawn and superseded ISO standards

For ISO 4401:1980, item title is Hydraulic fluid power — Four-port directional control valves — Mounting surfaces; status code is 9599; successor is ISO 4401:1994; withdrawn / published date is 1980-05-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4401:1980 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Four-port directional control valves — Mounting surfaces _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4401:1994
- **Withdrawn / published date:** 1980-05-01 _(verified: appears in the quote below)_

## What the source says

> 10305,IS,,ISO 4401:1980,Hydraulic fluid power — Four-port directional control valves — Mounting surfaces,Transmissions hydrauliques — Distributeurs à quatre orifices — Plan de pose,1980-05-01,1,['23.100.50'],ISO/TC 131/SC 5,9599,,[10306],"['en','fr']",8,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).