Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 719228A21X719228A22 found under Cage With Stem And by Industrial Service And Supply Inc. The National Stock Number assigned to this part is 4410003779898, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 719228A21X719228A22.