Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KNK0440 found under Insert Screw Thread by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5325011568075, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KNK0440.