AS7478 BOLTS AND SCREWS, STEEL, CORROSION AND HEAT RESISTANT 1800°F Solution Heat Treated Precipitation Heat Treated After Roll Threaded

This procurement specification covers aircraft quality 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 and of 130 000 psi tensile strength at room temperature, with maximum test temperature of parts at 1200°F.