Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A670513-2004 found under Spring Wingfold Interlock Ail by Precision Coil Spring Companythe. The National Stock Number assigned to this part is 1560012410343, 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 74A670513-2004.