# ISO 9938:1994 — Withdrawn and superseded ISO standards

For ISO 9938:1994, item title is Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 degrees C/28 000 kPa — Procurement specification; status code is 9599; successor is ISO/DIS 9938 | ISO 9938:2022; withdrawn / published date is 1994-12-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9938:1994 _(verified: appears in the quote below)_
- **Item title:** Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 degrees C/28 000 kPa — Procurement specification _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/DIS 9938 | ISO 9938:2022
- **Withdrawn / published date:** 1994-12-15 _(verified: appears in the quote below)_

## What the source says

> 17833,IS,,ISO 9938:1994,"Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 degrees C/28 000 kPa — Procurement specification","Aéronautique et espace — Tuyauteries flexibles en polytétrafluoroéthylène (PTFE), classification 204 degrés C/28 000 kPa — Spécification d'approvisionnement",1994-12-15,2,"['83.140.40','49.080']",ISO/TC 20/SC 10,9599,[17832],"[68322,75274]","['en','fr']",14,<p>Cancels and replaces the first edition (1990). Specifies requirements for polytetrafluoroethylene hose assemblies for use in aircraft hydraulic systems at temperatures between -55 °C and +204 °C and at a nominal pressure up to 28 000 kPa. The hose assemblies are also suitable for use

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).