ISO 9139:1998Withdrawn

Aerospace — Nuts, plain or slotted (castellated) — Procurement specification

Aéronautique et espace — Écrous ordinaires ou à créneaux — Spécification d'approvisionnement

This edition has been replaced by ISO 9139:2026.

Abstract / scope

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.

It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document.

Life cycle

Replaced by

ISO 9139:2026PublishedAerospace — Nuts, plain or slotted (castellated) — Procurement specificationInternational Standard · Published 26 May 2026 · ISO/TC 20/SC 4