Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28E1202-31 found under Screw Cap Socket Head by Allen Tool Phoenix Inc. The National Stock Number assigned to this part is 5305013564101, 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 28E1202-31.