Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1227 found under Screw Cap Hexagon Head by Amw Cuyuna Engine Co Inc. The National Stock Number assigned to this part is 5305014995930, 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 1227.