# ISO 9139:1998 — Withdrawn and superseded ISO standards

For ISO 9139:1998, item title is Aerospace — Nuts, plain or slotted (castellated) — Procurement specification; status code is 9599; successor is ISO 9139:2026; withdrawn / published date is 1998-12-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9139:1998 _(verified: appears in the quote below)_
- **Item title:** Aerospace — Nuts, plain or slotted (castellated) — Procurement specification _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9139:2026
- **Withdrawn / published date:** 1998-12-17 _(verified: appears in the quote below)_

## What the source says

> 16735,IS,,ISO 9139:1998,"Aerospace — Nuts, plain or slotted (castellated) — Procurement specification",Aéronautique et espace — Écrous ordinaires ou à créneaux — Spécification d'approvisionnement,1998-12-17,1,['49.030.30'],ISO/TC 20/SC 4,9599,,[88087],"['en','fr']",18,"<p>This International Standard specifies the required characteristics for metric plain or slotted (castellated) nuts, with MJ threads according to ISO 5855-2, for use in aerospace construction. </p><p>It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).