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.
SAE AS7478-1991 history
2022SAE AS7478F-2022 Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated, Aged After Roll Threaded Procurement Specification for
2021SAE AS7478E-2021 Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated, Aged After Roll Threaded Procurement Specification for
2017SAE AS7478D-2017 Bolts and Screws@ Steel@ UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated@ Aged After Roll Threaded Procurement Specification for
2016SAE AS7478C-2016 Bolts and Screws@ Steel@ UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated@ Aged After Roll Threaded Procurement Specification for
2006SAE AS7478B-2006 Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated, Aged After Roll Threaded Procurement Specification for
1997SAE AS7478B-1997 Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 Degrees F; 1800 Degrees F Solution Heat Treated, Aged After Roll Threaded Procurement Specification for FSC 5306;
1995SAE AS7478A-1995 Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 Degrees F; 1800 Degrees F Solution Heat Treated, Aged After Roll Threaded Procurement Specification for FSC 5306;
1991SAE AS7478-1991 BOLTS AND SCREWS, STEEL, CORROSION AND HEAT RESISTANT 1800°F Solution Heat Treated Precipitation Heat Treated After Roll Threaded