# ISO 2861-1:1974 — Withdrawn and superseded ISO standards

For ISO 2861-1:1974, item title is Vacuum technology — Quick-release couplings — Dimensions — Part 1: Clamped type; status code is 9599; successor is ISO 2861:2013 | ISO/NP 2861-1; withdrawn / published date is 1974-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2861-1:1974 _(verified: appears in the quote below)_
- **Item title:** Vacuum technology — Quick-release couplings — Dimensions — Part 1: Clamped type _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2861:2013 | ISO/NP 2861-1
- **Withdrawn / published date:** 1974-08-01 _(verified: appears in the quote below)_

## What the source says

> 7871,IS,,ISO 2861-1:1974,Vacuum technology — Quick-release couplings — Dimensions — Part 1: Clamped type,Technique du vide — Raccords rapides — Dimensions — Partie 1: Raccords à collier,1974-08-01,1,['23.160'],ISO/TC 112,9599,,"[58069,56049]","['en','fr']",2,"<p>ISO 2861-1:1974 specifies the dimensions of quick-release couplings of the clamped type as used in vacuum technology, as well as those of the “O” rings and their carriers which are associated with these couplings to ensure vacuum tightness.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).