# ISO 4927:1978 — Withdrawn and superseded ISO standards

For ISO 4927:1978, item title is Road vehicles — Elastomeric boots for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C maximum); status code is 9599; successor is ISO 4927:2005; withdrawn / published date is 1978-03-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4927:1978 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Elastomeric boots for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C maximum) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4927:2005
- **Withdrawn / published date:** 1978-03-01 _(verified: appears in the quote below)_

## What the source says

> 10943,IS,,ISO 4927:1978,Road vehicles — Elastomeric boots for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C maximum),Véhicules routiers — Capuchons en caoutchouc pour cylindres de roue pour freins hydrauliques à tambour utilisant un liquide de frein à base non pétrolière (Température maximale d'utilisation 120 degrés C),1978-03-01,1,"['83.140.50','43.040.40']",ISO/TC 22,9599,,[38512],"['en','fr']",4,"<p>Specifies performance tests for moulded rubber boots used at end closures on drum type brake cylinders. These boots prevent the entrance of dirt and moisture which could cause corrosion and otherwise impair wheel

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).