# ISO 4548-9:1995 — Withdrawn and superseded ISO standards

For ISO 4548-9:1995, item title is Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 9: Inlet and outlet anti-drain valve tests; status code is 9599; successor is ISO 4548-9:2008; withdrawn / published date is 1995-06-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4548-9:1995 _(verified: appears in the quote below)_
- **Item title:** Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 9: Inlet and outlet anti-drain valve tests _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4548-9:2008
- **Withdrawn / published date:** 1995-06-29 _(verified: appears in the quote below)_

## What the source says

> 10471,IS,,ISO 4548-9:1995,Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 9: Inlet and outlet anti-drain valve tests,Méthodes d'essai des filtres à huile de lubrification à passage intégral pour moteurs à combustion interne — Partie 9: Essais des clapets de non-retour aval et amont,1995-06-29,1,['27.020'],ISO/TC 70,9599,"[10469,10470]",[44520],"['en','fr']",8,"<p>Specifies methods of measuring the effectiveness of either inlet or outlet anti-drain valves if fitted to a full-flow lubricating oil filter of the 'spin-on' or 'easy change' type, for internal combustion engines.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).