ISO 9139:2026Published

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

Aéronautique et espace — Écrous lisses ou à créneaux — Spécification d’approvisionnement

Abstract / scope

This document 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 document in the relevant definition document.

Life cycle

Replaces

ISO 9139:1998WithdrawnAerospace — Nuts, plain or slotted (castellated) — Procurement specificationInternational Standard · Published 17 Dec 1998 · ISO/TC 20/SC 4