Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B6A6549A found under Screw by Dearborn Electronics Inc. The National Stock Number assigned to this part is 5305000966246, 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 B6A6549A.