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SAE AS4726

Revision A, February 1, 2017

Complete Document

Nuts, Self-Locking, UNS S66286 Classification: 220 ksi/850 °F Procurement Specification

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , February 2017


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Product Details:

  • Revision: Revision A, February 1, 2017
  • Published Date: February 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 32
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Type:

This specification establishes the requirements for self-locking nuts, wrenching type (i.e., hexagon, double hexagon, and spline drive), made of a corrosion and heat resistant steel of the type identified under the Unified Numbering System as UNS S66286.

Classification:

a. 220 ksi minimum tensile strength at room temperature

b. 850 °F maximum test temperature of parts.

Application:

Primarily for use in aerospace propulsion systems in temperatures up to approximately 850 °F where nuts are used with bolts capable of developing 220 ksi axial tensile strength at room temperature, and having UNJ thread form.

AIA/NAS Aerospace Standards