Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 41720-1 found under Plate Structural Ai by Fleet Readiness Center East Div Department Of Navy. The National Stock Number assigned to this part is 1560013756921, 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 41720-1.