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SAE MA1573

Revision A, October 1, 2011

Complete Document

Nut, Self-Locking - Steel, Class 1100 MPa/235 °C, MJ Thread Procurement Specification For, Metric

Includes all amendments and changes through Reaffirmation Notice , November 2016

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Product Details:

  • Revision: Revision A, October 1, 2011
  • Published Date: November 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 39
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:


This specification establishes the requirements for the following types of self-locking nuts:

Wrenching nuts: that is, hex, double hex, spline drive

Anchor nuts: that is, plate nuts, gang channel nuts, shank nuts

The wrenching nuts and shank nuts are made of low alloy steels, and the nut elements of plate and gang channel nuts are made of carbon steels or low alloy steels and having MJ threads to ISO 5855/2. Nuts have 1100 MPa tensile strength class at room temperature. Maximum test temperature of parts at 235 °C.


Primarily for use in aerospace propulsion systems.
AIA/NAS Aerospace Standards