Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3909AS1545-1 found under Flange Thumb Screw by Edo Corporation. The National Stock Number assigned to this part is 5305015856739, 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 3909AS1545-1.