# ISO 5858:1999 — Withdrawn and superseded ISO standards For ISO 5858:1999, item title is Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C — Procurement specification; status code is 9599; successor is ISO 5858:2026; withdrawn / published date is 1999-11-18, recorded from its source on 2026-08-05. - **Identifier:** ISO 5858:1999 _(verified: appears in the quote below)_ - **Item title:** Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C — Procurement specification _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 5858:2026 - **Withdrawn / published date:** 1999-11-18 _(verified: appears in the quote below)_ ## What the source says > 29281,IS,,ISO 5858:1999,"Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C — Procurement specification",Aéronautique et espace — Écrous à freinage interne dont la température maximale d'utilisation est inférieure ou égale à 425 degrés C — Spécification d'approvisionnement,1999-11-18,2,['49.030.30'],ISO/TC 20/SC 4,9599,[12060],[91461],"['en','fr']",26,"
This International Standard specifies the required characteristics for metric self-locking nuts, with MJ threads, for
use in aerospace construction at a maximum temperature less than or equal to 425 °C.
It is applicable to nuts as defined above, provided that reference is made ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).