# ISO 4393:1978 — Withdrawn and superseded ISO standards

For ISO 4393:1978, item title is Fluid power systems and components — Cylinders — Basic series of piston strokes; status code is 9599; successor is ISO 4393:2015 | ISO/NP 4393 | ISO/NP 4393; withdrawn / published date is 1978-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4393:1978 _(verified: appears in the quote below)_
- **Item title:** Fluid power systems and components — Cylinders — Basic series of piston strokes _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4393:2015 | ISO/NP 4393 | ISO/NP 4393
- **Withdrawn / published date:** 1978-09-01 _(verified: appears in the quote below)_

## What the source says

> 10295,IS,,ISO 4393:1978,Fluid power systems and components — Cylinders — Basic series of piston strokes,Transmissions hydrauliques et pneumatiques — Vérins — Série de base de courses de piston,1978-09-01,1,['23.100.20'],ISO/TC 131/SC 3,9599,,"[64053,59470,61355]","['en','fr']",2,"<p>It specifies the preferred series of piston strokes for application to single-acting and double-acting, hydraulic and pneumatic fluid power cylinders. The figure shows the identification of piston strokes. It tabulates piston strokes from 25 mm up to and including 500 mm. If an extension of the series shown is required, use the rounded-off R 10 series of values as shown in ISO 497.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).