ISO/CD 9139
Aerospace — Nuts, plain or slotted (castellated) — Procurement specification
Reference number
ISO/CD 9139
Edition 2
Committee Draft
ISO/CD 9139
A draft is being reviewed by the committee.
Will replace ISO 9139:1998


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.

General information

  •  : Under development
    : Close of comment period [30.60]
  •  : 2
  • ISO/TC 20/SC 4
  • RSS updates

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