# ISO 4928:1980 — Withdrawn and superseded ISO standards

For ISO 4928:1980, item title is Road vehicles — Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.); status code is 9599; successor is ISO 4928:2006 | ISO/WD 4928; withdrawn / published date is 1980-05-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4928:1980 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4928:2006 | ISO/WD 4928
- **Withdrawn / published date:** 1980-05-01 _(verified: appears in the quote below)_

## What the source says

> 10944,IS,,ISO 4928:1980,Road vehicles — Elastomeric cups and seals for cylinders for hydraulic braking systems using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.),Véhicules routiers — Coupelles et joints en caoutchouc pour cylindres de dispositifs de freinage hydrauliques utilisant un liquide de frein à base non pétrolière (Température maximale d'utilisation 120 degrés C),1980-05-01,2,"['83.140.50','43.040.40']",ISO/TC 22,9599,,"[40421,10945]","['en','fr']",12,"<p>Specifies performance tests of brake cups and seals for braking systems. Requirements relating to chemical composition, tensile strength and elongation of the rubber compound are not included.

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).