Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1140 ITEM 16 found under Screw Cap Socket Head by R And D Machine Rafael Anaya. The National Stock Number assigned to this part is 5305013127026, 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 1140 ITEM 16.