Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CV21 564502 1 found under Pin Assembly by Tect Aerospace Inc. The National Stock Number assigned to this part is 1560005216808, 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 CV21 564502 1.