# ISO 3174:1981 — Withdrawn and superseded ISO standards

For ISO 3174:1981, item title is Aircraft — Connections for checking hydraulic systems by ground appliances; status code is 9599; successor is ISO 3174:1994; withdrawn / published date is 1981-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3174:1981 _(verified: appears in the quote below)_
- **Item title:** Aircraft — Connections for checking hydraulic systems by ground appliances _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3174:1994
- **Withdrawn / published date:** 1981-10-01 _(verified: appears in the quote below)_

## What the source says

> 8360,IS,,ISO 3174:1981,Aircraft — Connections for checking hydraulic systems by ground appliances,Aéronefs — Raccords pour la vérification des circuits hydrauliques par des appareils au sol,1981-10-01,1,"['49.100','49.080']",ISO/TC 20/SC 10,9599,,[8361],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).