Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KD400-19-3 found under Parts Kit Fuel Tank by Saeco. The National Stock Number assigned to this part is 1560008581712, 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 KD400-19-3.