# ISO 3601-1:1978 — Withdrawn and superseded ISO standards

For ISO 3601-1:1978, item title is Fluid systems — O-rings — Part 1: Inside diameters, cross-sections, tolerances and size identification code; status code is 9599; successor is ISO 3601-1:1988; withdrawn / published date is 1978-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3601-1:1978 _(verified: appears in the quote below)_
- **Item title:** Fluid systems — O-rings — Part 1: Inside diameters, cross-sections, tolerances and size identification code _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3601-1:1988
- **Withdrawn / published date:** 1978-08-01 _(verified: appears in the quote below)_

## What the source says

> 9022,IS,,ISO 3601-1:1978,"Fluid systems — O-rings — Part 1: Inside diameters, cross-sections, tolerances and size identification code","Transmissions hydrauliques et pneumatiques — Joints toriques — Partie 1: Diamètres intérieurs, sections, tolérances et code d'identification dimensionnel",1978-08-01,1,"['83.140.50','23.100.60']",ISO/TC 131/SC 7,9599,,[9023],"['en','fr']",3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).