Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 72A5021A0155 found under Nut Plain Clinch by Marine Corps. The National Stock Number assigned to this part is 5310001816933, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 72A5021A0155.