# ISO 4399:1977 — Withdrawn and superseded ISO standards

For ISO 4399:1977, item title is Fluid power systems and components — Connectors and associated components — Nominal pressures; status code is 9599; successor is ISO 4399:1995; withdrawn / published date is 1977-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4399:1977 _(verified: appears in the quote below)_
- **Item title:** Fluid power systems and components — Connectors and associated components — Nominal pressures _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4399:1995
- **Withdrawn / published date:** 1977-09-01 _(verified: appears in the quote below)_

## What the source says

> 10302,IS,,ISO 4399:1977,Fluid power systems and components — Connectors and associated components — Nominal pressures,Transmissions hydrauliques et pneumatiques — Raccords et éléments associés — Pressions nominales,1977-09-01,1,['23.100.40'],ISO/TC 131/SC 4,9599,,[22769],"['en','fr']",1,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).