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SAE AS4959

1997 Edition, October 1, 1997

Complete Document

Bolts and Screws, Steel, UNS S66286 Tensile Strength 140 ksi 1650 °F Solution Heat Treatment Aged Before Fillet and Thread Rolling Procurement Specification

Includes all amendments and changes through Reaffirmation Notice , November 2012

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Product Details:

  • Revision: 1997 Edition, October 1, 1997
  • Published Date: November 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 31
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This procurement specification covers bolts and screws made from a corrosion and heat resistant, age hard enable iron base alloy of the type identified under the Unified Numbering System as UNS S66286.


Primary for aerospace propulsion system applications where a good combination of tensile strength, shear strength, stress-rupture strength, and resistance to relaxation at elevated temperature is required.

Safety – Hazardous Materials:

While the materials, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.

AIA/NAS Aerospace Standards