Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 206-45 found under Screw Nylon by Alcor Aviation Inc Avtec Div. The National Stock Number assigned to this part is 5305004344379, 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 206-45.