ISO 9139:2026
International Standard
Current Edition
·
Approved on
26 May 2026
Aerospace — Nuts, plain or slotted (castellated) — Procurement specification
ISO 9139:2026 Files
English
17 Pages
Current Edition
BHD
45.21
ISO 9139:2026 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.
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