Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SME0508M05-16S5 found under Stud Plain by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5307013628704, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SME0508M05-16S5.