Annotation of standard text SAE AS4959A :
This procurement specification covers bolts and screws made from a corrosion and heat resistant, age hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286. The following specification designations and their properties are covered:
SUBJECT TAXONOMY: Heat treatment, Steel, Tensile Strength, Parts, Fasteners
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Jan 2018 