Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14A00406-0000 I found under Screw Machine by Hsi Electric Inc. The National Stock Number assigned to this part is 5305014069165, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 14A00406-0000 I.