Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AAA-29D38-1140 found under by Macgregor. The National Stock Number assigned to this part is 5305013607591, 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 AAA-29D38-1140.