Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS5174S0504 found under Fitting Structural by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 1560016260428, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS5174S0504.